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Duel Filter V1 · Daily research cohort

Suppression Candidates

The original pitcher-duel hypothesis, evaluated with immutable point-in-time starter and bullpen snapshots.

Research benchmark only · A cohort match is not a betting recommendation

Evaluated12

V1 matches0

Rejected12

Incomplete0

Point-in-time audit

Daily evaluations

Private source connected

Sep 24, 11:35 AM CDTPNC Park

Does not match

Away

St. Louis Cardinals

Kyle Leahyprobable

xERA: 4.88
K-BB%: 15.0%
Bullpen: #24

Pitcher stats through 2026-09-24

Home

Pittsburgh Pirates

Paul Skenesprobable

xERA: 3.27
K-BB%: 21.0%
Bullpen: #16

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Kyle LeahyxERA
Kyle Leahy recorded a 4.88 xERA. V1 requires each starter to be below 3.25.
Observed
4.88
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Paul SkenesxERA
Paul Skenes recorded a 3.27 xERA. V1 requires each starter to be below 3.25.
Observed
3.27
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Kyle LeahyK-BB%
Kyle Leahy recorded a 15.0% K-BB%. V1 requires each starter to be above 18.0%.
Observed
15.0%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
St. Louis Cardinals bullpenBullpen ERA rank
St. Louis Cardinals bullpen recorded a #24 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#24
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10
Pittsburgh Pirates bullpenBullpen ERA rank
Pittsburgh Pirates bullpen recorded a #16 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#16
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 823326

Sep 24, 1:10 PM CDTKauffman Stadium

Does not match

Away

Chicago White Sox

David Sandlinprobable

xERA: 4.06
K-BB%: 13.8%
Bullpen: #8

Pitcher stats through 2026-09-24

Home

Kansas City Royals

Randy Dobnakprobable

xERA: 4.62
K-BB%: 7.5%
Bullpen: #29

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

David SandlinxERA
David Sandlin recorded a 4.06 xERA. V1 requires each starter to be below 3.25.
Observed
4.06
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Randy DobnakxERA
Randy Dobnak recorded a 4.62 xERA. V1 requires each starter to be below 3.25.
Observed
4.62
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
David SandlinK-BB%
David Sandlin recorded a 13.8% K-BB%. V1 requires each starter to be above 18.0%.
Observed
13.8%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Randy DobnakK-BB%
Randy Dobnak recorded a 7.5% K-BB%. V1 requires each starter to be above 18.0%.
Observed
7.5%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Kansas City Royals bullpenBullpen ERA rank
Kansas City Royals bullpen recorded a #29 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#29
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 824059

Sep 24, 1:20 PM CDTWrigley Field

Does not match

Away

Miami Marlins

Tyler Phillipsprobable

xERA: 4.66
K-BB%: 9.0%
Bullpen: #16

Pitcher stats through 2026-09-24

Home

Chicago Cubs

Matthew Boydprobable

xERA: 4.72
K-BB%: 11.4%
Bullpen: #14

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Tyler PhillipsxERA
Tyler Phillips recorded a 4.66 xERA. V1 requires each starter to be below 3.25.
Observed
4.66
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Matthew BoydxERA
Matthew Boyd recorded a 4.72 xERA. V1 requires each starter to be below 3.25.
Observed
4.72
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Tyler PhillipsK-BB%
Tyler Phillips recorded a 9.0% K-BB%. V1 requires each starter to be above 18.0%.
Observed
9.0%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Matthew BoydK-BB%
Matthew Boyd recorded a 11.4% K-BB%. V1 requires each starter to be above 18.0%.
Observed
11.4%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Miami Marlins bullpenBullpen ERA rank
Miami Marlins bullpen recorded a #16 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#16
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10
Chicago Cubs bullpenBullpen ERA rank
Chicago Cubs bullpen recorded a #14 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#14
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 824623

Sep 24, 1:35 PM CDTGlobe Life Field

Does not match

Away

New York Mets

Zac Thorntonprobable

xERA: 4.62
K-BB%: 13.2%
Bullpen: #9

Pitcher stats through 2026-09-24

Home

Texas Rangers

Kumar Rockerprobable

xERA: 4.59
K-BB%: 12.0%
Bullpen: #23

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Zac ThorntonxERA
Zac Thornton recorded a 4.62 xERA. V1 requires each starter to be below 3.25.
Observed
4.62
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Kumar RockerxERA
Kumar Rocker recorded a 4.59 xERA. V1 requires each starter to be below 3.25.
Observed
4.59
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Zac ThorntonK-BB%
Zac Thornton recorded a 13.2% K-BB%. V1 requires each starter to be above 18.0%.
Observed
13.2%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Kumar RockerK-BB%
Kumar Rocker recorded a 12.0% K-BB%. V1 requires each starter to be above 18.0%.
Observed
12.0%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Texas Rangers bullpenBullpen ERA rank
Texas Rangers bullpen recorded a #23 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#23
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 822842

Sep 24, 2:10 PM CDTCoors Field

Does not match

Away

Arizona Diamondbacks

Eduardo Rodriguezprobable

xERA: 4.29
K-BB%: 10.2%
Bullpen: #13

Pitcher stats through 2026-09-24

Home

Colorado Rockies

Tanner Gordonprobable

xERA: 4.82
K-BB%: 14.3%
Bullpen: #27

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Eduardo RodriguezxERA
Eduardo Rodriguez recorded a 4.29 xERA. V1 requires each starter to be below 3.25.
Observed
4.29
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Tanner GordonxERA
Tanner Gordon recorded a 4.82 xERA. V1 requires each starter to be below 3.25.
Observed
4.82
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Eduardo RodriguezK-BB%
Eduardo Rodriguez recorded a 10.2% K-BB%. V1 requires each starter to be above 18.0%.
Observed
10.2%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Tanner GordonK-BB%
Tanner Gordon recorded a 14.3% K-BB%. V1 requires each starter to be above 18.0%.
Observed
14.3%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Arizona Diamondbacks bullpenBullpen ERA rank
Arizona Diamondbacks bullpen recorded a #13 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#13
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10
Colorado Rockies bullpenBullpen ERA rank
Colorado Rockies bullpen recorded a #27 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#27
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 824298

Sep 24, 5:05 PM CDTCitizens Bank Park

Does not match

Away

Milwaukee Brewers

Bryse Wilsonprobable

xERA: 3.86
K-BB%: 18.6%
Bullpen: #3

Pitcher stats through 2026-09-24

Home

Philadelphia Phillies

Andrew Painterprobable

xERA: 4.50
K-BB%: 11.9%
Bullpen: #20

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Bryse WilsonxERA
Bryse Wilson recorded a 3.86 xERA. V1 requires each starter to be below 3.25.
Observed
3.86
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Andrew PainterxERA
Andrew Painter recorded a 4.50 xERA. V1 requires each starter to be below 3.25.
Observed
4.50
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Andrew PainterK-BB%
Andrew Painter recorded a 11.9% K-BB%. V1 requires each starter to be above 18.0%.
Observed
11.9%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Philadelphia Phillies bullpenBullpen ERA rank
Philadelphia Phillies bullpen recorded a #20 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#20
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 823411

Sep 24, 5:45 PM CDTFenway Park

Does not match

Away

Cleveland Guardians

Daniel Espinoprobable

xERA: 3.54
K-BB%: 25.4%
Bullpen: #6

Pitcher stats through 2026-09-24

Home

Boston Red Sox

Ranger Suarezprobable

xERA: 3.73
K-BB%: 15.2%
Bullpen: #1

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Daniel EspinoxERA
Daniel Espino recorded a 3.54 xERA. V1 requires each starter to be below 3.25.
Observed
3.54
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Ranger SuarezxERA
Ranger Suarez recorded a 3.73 xERA. V1 requires each starter to be below 3.25.
Observed
3.73
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Ranger SuarezK-BB%
Ranger Suarez recorded a 15.2% K-BB%. V1 requires each starter to be above 18.0%.
Observed
15.2%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 824707

Sep 24, 6:05 PM CDTYankee Stadium

Does not match

Away

Tampa Bay Rays

Ian Seymourprobable

xERA: 3.65
K-BB%: 22.3%
Bullpen: #15

Pitcher stats through 2026-09-24

Home

New York Yankees

Cam Schlittlerprobable

xERA: 2.85
K-BB%: 25.0%
Bullpen: #2

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Ian SeymourxERA
Ian Seymour recorded a 3.65 xERA. V1 requires each starter to be below 3.25.
Observed
3.65
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Tampa Bay Rays bullpenBullpen ERA rank
Tampa Bay Rays bullpen recorded a #15 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#15
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 823493

Sep 24, 6:15 PM CDTTruist Park

Does not match

Away

Cincinnati Reds

Brady Singerprobable

xERA: 5.72
K-BB%: 9.2%
Bullpen: #25

Pitcher stats through 2026-09-24

Home

Atlanta Braves

Tyler Mahleprobable

xERA: 3.89
K-BB%: 15.0%
Bullpen: #4

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Brady SingerxERA
Brady Singer recorded a 5.72 xERA. V1 requires each starter to be below 3.25.
Observed
5.72
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Tyler MahlexERA
Tyler Mahle recorded a 3.89 xERA. V1 requires each starter to be below 3.25.
Observed
3.89
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Brady SingerK-BB%
Brady Singer recorded a 9.2% K-BB%. V1 requires each starter to be above 18.0%.
Observed
9.2%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Tyler MahleK-BB%
Tyler Mahle recorded a 15.0% K-BB%. V1 requires each starter to be above 18.0%.
Observed
15.0%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Cincinnati Reds bullpenBullpen ERA rank
Cincinnati Reds bullpen recorded a #25 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#25
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 824866

Sep 24, 8:40 PM CDTSutter Health Park

Does not match

Away

Houston Astros

Peter Lambertprobable

xERA: 3.67
K-BB%: 14.0%
Bullpen: #18

Pitcher stats through 2026-09-24

Home

Athletics

Mason Barnettprobable

xERA: 5.39
K-BB%: 6.8%
Bullpen: #30

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Peter LambertxERA
Peter Lambert recorded a 3.67 xERA. V1 requires each starter to be below 3.25.
Observed
3.67
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Mason BarnettxERA
Mason Barnett recorded a 5.39 xERA. V1 requires each starter to be below 3.25.
Observed
5.39
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Peter LambertK-BB%
Peter Lambert recorded a 14.0% K-BB%. V1 requires each starter to be above 18.0%.
Observed
14.0%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Mason BarnettK-BB%
Mason Barnett recorded a 6.8% K-BB%. V1 requires each starter to be above 18.0%.
Observed
6.8%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
home_starter_k_minus_bb_not_above_18pct
Houston Astros bullpenBullpen ERA rank
Houston Astros bullpen recorded a #18 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#18
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10
Athletics bullpenBullpen ERA rank
Athletics bullpen recorded a #30 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#30
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 824950

Sep 24, 8:40 PM CDTT-Mobile Park

Does not match

Away

Los Angeles Angels

Grayson Rodriguezprobable

xERA: 5.57
K-BB%: 10.7%
Bullpen: #21

Pitcher stats through 2026-09-24

Home

Seattle Mariners

Bryan Wooprobable

xERA: 3.59
K-BB%: 19.2%
Bullpen: #22

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Grayson RodriguezxERA
Grayson Rodriguez recorded a 5.57 xERA. V1 requires each starter to be below 3.25.
Observed
5.57
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
away_starter_xera_not_below_3_25
Bryan WooxERA
Bryan Woo recorded a 3.59 xERA. V1 requires each starter to be below 3.25.
Observed
3.59
V1 requirement
Below 3.25
Exactly 3.25 does not pass this V1 rule.
home_starter_xera_not_below_3_25
Grayson RodriguezK-BB%
Grayson Rodriguez recorded a 10.7% K-BB%. V1 requires each starter to be above 18.0%.
Observed
10.7%
V1 requirement
Above 18.0%
Exactly 18.0% does not pass this V1 rule.
away_starter_k_minus_bb_not_above_18pct
Los Angeles Angels bullpenBullpen ERA rank
Los Angeles Angels bullpen recorded a #21 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#21
V1 requirement
Top 10 (#1–#10)
away_bullpen_era_rank_not_top_10
Seattle Mariners bullpenBullpen ERA rank
Seattle Mariners bullpen recorded a #22 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#22
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 823087

Sep 24, 9:10 PM CDTUNIQLO Field at Dodger Stadium

Does not match

Away

San Diego Padres

Nick Pivettaprobable

xERA: 2.92
K-BB%: 23.3%
Bullpen: #5

Pitcher stats through 2026-09-24

Home

Los Angeles Dodgers

Tyler Glasnowprobable

xERA: 2.94
K-BB%: 24.2%
Bullpen: #11

Pitcher stats through 2026-09-24

Does not match

The evaluation was complete, but one or more immutable V1 thresholds did not pass.

Thresholds not met

Los Angeles Dodgers bullpenBullpen ERA rank
Los Angeles Dodgers bullpen recorded a #11 ERA rank. V1 requires each bullpen to be in the top 10 (#1–#10).
Observed
#11
V1 requirement
Top 10 (#1–#10)
home_bullpen_era_rank_not_top_10

Duel Filter V1 · v1.0.0Evaluated Sep 24, 9:17 AM CDTInputs updated Sep 24, 9:17 AM CDTMLB 823895