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Major League Baseball implemented the ABS challenge system for the 2026 season, which allows players to challenge a ball or strike call made by the plate umpire. Each team receives two challenges to start the game, and only batters, pitchers and catchers can challenge a call. If a team wins a challenge, it can keep challenging. If a team challenges incorrectly twice, it loses its challenges for the rest of the game.
Here are the ABS challenge system rankings for batters, pitchers, catchers, teams and umpires for the 2026 MLB season.
Data updated through Tuesday, March 31.
Batter ABS Challenge LeadersRankNameTeamSuccessfulChallengesChallengesSuccess Rate1Teoscar Hernandez
LAD |
2 |
2 |
100.00% |
| 1 |
Eugenio Suarez |
CIN |
2 |
2 |
100.00% |
| 1 |
Trent Grisham |
NYY |
2 |
2 |
100.00% |
| 1 |
Will Benson |
CIN |
2 |
2 |
100.00% |
| 1 |
Ivan Herrera |
STL |
2 |
2 |
100.00% |
| 1 |
Heliot Ramos |
SF |
2 |
2 |
100.00% |
| 1 |
Nick Kurtz |
ATH |
2 |
2 |
100.00% |
| 8 |
Kyle Schwarber |
PHI |
3 |
4 |
75.00% |
| 8 |
Mike Trout |
LAA |
3 |
4 |
75.00% |
| 10 |
Jake Fraley |
TB |
2 |
3 |
66.70% |
| 10 |
Jose Caballero |
NYY |
2 |
3 |
66.70% |
| 10 |
Roman Anthony |
BOS |
2 |
3 |
66.70% |
| 13 |
Jose Altuve |
HOU |
1 |
2 |
50.00% |
| 13 |
Jazz Chisholm Jr. |
NYY |
1 |
2 |
50.00% |
| 13 |
Gabriel Moreno |
AZ |
1 |
2 |
50.00% |
| 13 |
Steven Kwan |
CLE |
1 |
2 |
50.00% |
| 13 |
Matt Wallner |
MIN |
1 |
2 |
50.00% |
| 13 |
Sal Frelick |
MIL |
1 |
2 |
50.00% |
| 13 |
Kevin McGonigle |
DET |
1 |
2 |
50.00% |
| 20 |
Ronald Acuna Jr. |
ATL |
0 |
2 |
0.00% |
| 20 |
Leo Rivas |
SEA |
0 |
2 |
0.00% |
| 20 |
Luis Garcia Jr. |
WSH |
0 |
2 |
0.00% |
| 20 |
Gabriel Arias |
CLE |
0 |
2 |
0.00% |
Pitcher ABS Challenge LeadersRankNameTeamSuccessfulChallengesChallengesSuccess Rate1Max Fried
NYY |
1 |
1 |
100.00% |
| 1 |
Hogan Harris |
ATH |
1 |
1 |
100.00% |
| 1 |
Ryan Helsley |
BAL |
1 |
1 |
100.00% |
| 4 |
Jose Quintana |
COL |
0 |
1 |
0.00% |
| 4 |
Edwin Diaz |
LAD |
0 |
1 |
0.00% |
| 4 |
Zach Pop |
PHI |
0 |
1 |
0.00% |
| 4 |
Roddery Munoz |
HOU |
0 |
1 |
0.00% |
Catcher ABS Challenge LeadersRankNameTeamSuccessfulChallengesChallengesSuccess Rate1J.T. Realmuto
PHI |
3 |
3 |
100.0% |
| 1 |
Dillon Dingler |
DET |
3 |
3 |
100.0% |
| 1 |
Austin Wells |
NYY |
3 |
3 |
100.0% |
| 1 |
Victor Caratini |
MIN |
2 |
2 |
100.0% |
| 1 |
Freddy Fermin |
SD |
2 |
2 |
100.0% |
| 1 |
Alejandro Kirk |
TOR |
2 |
2 |
100.0% |
| 1 |
Francisco Alvarez |
NYM |
2 |
2 |
100.0% |
| 1 |
Adley Rutschman |
BAL |
2 |
2 |
100.0% |
| 1 |
Jeferson Quero |
MIL |
2 |
2 |
100.0% |
| 1 |
Henry Davis |
PIT |
2 |
2 |
100.0% |
| 11 |
Salvador Perez |
KC |
4 |
5 |
80.0% |
| 12 |
William Contreras |
MIL |
3 |
4 |
75.0% |
| 12 |
Logan O’Hoppe |
LAA |
3 |
4 |
75.0% |
| 14 |
Will Smith |
LAD |
5 |
7 |
71.4% |
| 15 |
Nick Fortes |
TB |
4 |
6 |
66.7% |
| 15 |
Carson Kelly |
CHC |
2 |
3 |
66.7% |
| 15 |
James McCann |
AZ |
2 |
3 |
66.7% |
| 15 |
Luis Torrens |
NYM |
2 |
3 |
66.7% |
| 15 |
Shea Langeliers |
ATH |
2 |
3 |
66.7% |
| 15 |
Samuel Basallo |
BAL |
2 |
3 |
66.7% |
MLB Team ABS Challenge RankingsTeamBatter (Rank)Pitcher (RK)Catcher (RK)Total (RK)Arizona Diamondbacks
66.7% (7) |
– |
75.0% (8) |
71.4% (5) |
| Athletics |
66.7% (7) |
100.0% (1) |
66.7% (12) |
70.0% (6) |
| Atlanta Braves |
0.0% (27) |
– |
50.0% (20) |
30.0% (27) |
| Baltimore Orioles |
80.0% (4) |
100.0% (1) |
80.0% (5) |
81.8% (3) |
| Boston Red Sox |
40.0% (19) |
– |
40.0% (24) |
40.0% (22) |
| Chicago Cubs |
100.0% (1) |
– |
50.0% (20) |
66.7% (8) |
| Chicago White Sox |
50.0% (12) |
– |
40.0% (24) |
42.9% (21) |
| Cincinnati Reds |
77.8% (6) |
– |
50.0% (20) |
72.7% (4) |
| Cleveland Guardians |
14.3% (26) |
– |
20.0% (28) |
16.7% (30) |
| Colorado Rockies |
50.0% (12) |
0.0% (4) |
60.0% (16) |
50.0% (18) |
| Detroit Tigers |
50.0% (12) |
– |
100.0% (1) |
66.7% (8) |
| Houston Astros |
25.0% (22) |
0.0% (4) |
25.0% (27) |
22.2% (29) |
| Kansas City Royals |
100.0% (1) |
– |
80.0% (5) |
83.3% (2) |
| Los Angeles Angels |
42.9% (18) |
– |
75.0% (8) |
54.5% (17) |
| Los Angeles Dodgers |
100.0% (1) |
0.0% (4) |
71.4% (11) |
70.0% (6) |
| Miami Marlins |
0.0% (27) |
– |
44.4% (23) |
36.4% (24) |
| Milwaukee Brewers |
25.0% (22) |
– |
83.3% (4) |
60.0% (12) |
| Minnesota Twins |
66.7% (7) |
– |
57.1% (19) |
61.5% (11) |
| New York Mets |
0.0% (27) |
– |
80.0% (5) |
57.1% (16) |
| New York Yankees |
80.0% (4) |
100.0% (1) |
100.0% (1) |
85.7% (1) |
| Philadelphia Phillies |
50.0% (12) |
0.0% (4) |
100.0% (1) |
60.0% (12) |
| Pittsburgh Pirates |
0.0% (27) |
– |
66.7% (12) |
40.0% (22) |
| San Diego Padres |
50.0% (12) |
– |
66.7% (12) |
60.0% (12) |
| San Francisco Giants |
66.7% (7) |
– |
60.0% (16) |
62.5% (10) |
| Seattle Mariners |
33.3% (21) |
– |
60.0% (16) |
50.0% (18) |
| St. Louis Cardinals |
66.7% (7) |
– |
0.0% (29) |
28.6% (28) |
| Tampa Bay Rays |
50.0% (12) |
– |
66.7% (12) |
58.3% (15) |
| Texas Rangers |
40.0% (19) |
– |
0.0% (29) |
33.3% (25) |
| Toronto Blue Jays |
20.0% (25) |
– |
75.0% (8) |
44.4% (20) |
| Washington Nationals |
25.0% (22) |
– |
40.0% (24) |
33.3% (25) |
| *Team rankings in parentheses. |
Umpire ABS Challenge LeadersRankNamePitchesChallengedCallsOverturnedOverturnRatePitchesCalled1Bruce Dreckman400.0%3351David Rackley300.0%3071Erich Bacchus300.0%3321Vic Carapazza100.0%2691James Hoye100.0%2911Quinn Wolcott100.0%3357Will Little6116.7%5838Emil Jimenez5120.0%2999John Tumpane4125.0%3219Roberto Ortiz4125.0%2819Ben May4125.0%34812Lance Barksdale6233.3%56912Ryan Additon6233.3%37112Jordan Baker6233.3%55412Chris Conroy3133.3%32312Mike Muchlinski3133.3%27012Gabe Morales3133.3%24812Nick Mahrley3133.3%34012Jansen Visconti3133.3%26512Stu Scheurwater3133.3%26812Rob Drake3133.3%27212Nestor Ceja3133.3%31012Nate Tomlinson3133.3%27724D.J. Reyburn5240.0%34124Malachi Moore5240.0%28726Laz Diaz12650.0%54826Chris Guccione6350.0%61526Marvin Hudson4250.0%52826Ramon De Jesus4250.0%33926Alex Tosi4250.0%24026Brennan Miller4250.0%35326Adam Beck4250.0%30126Scott Barry2150.0%29326Mark Ripperger2150.0%28826Ryan Wills2150.0%30736Doug Eddings9555.6%56137Carlos Torres7457.1%34838Bill Miller10660.0%53238Hunter Wendelstedt5360.0%25840Adrian Johnson8562.5%63841Mark Wegner6466.7%61441Alfonso Márquez6466.7%54541Tripp Gibson6466.7%35841Alan Porter3266.7%32041Todd Tichenor3266.7%34241Brian O’Nora3266.7%31841Jeremie Rehak3266.7%27341Ryan Blakney3266.7%24949Chris Segal10770.0%32150Dan Iassogna11872.7%53551Chad Fairchild4375.0%27551Cory Blaser4375.0%31051CB Bucknor8675.0%38351Sean Barber4375.0%32251Lance Barrett4375.0%28851Paul Clemons4375.0%29157Ron Kulpa5480.0%30458Dan Bellino6583.3%26359Jim Wolf33100.0%27459Andy Fletcher11100.0%28059Chad Whitson77100.0%29559Mike Estabrook55100.0%29159Junior Valentine22100.0%26959Charlie Ramos11100.0%271
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