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 Wednesday, April 1.
Batter ABS Challenge Leaders
Pitcher ABS Challenge Leaders
Catcher ABS Challenge Leaders
MLB Team ABS Challenge Rankings
Umpire ABS Challenge Leaders
RankNamePitches
ChallengedCalls
OverturnedOverturn
RatePitches
Called1Erich Bacchus300.0%3321Quinn Wolcott200.0%6091Vic Carapazza100.0%2691James Hoye100.0%2915David Rackley7114.3%6036Will Little6116.7%5837Emil Jimenez5120.0%2998John Tumpane4125.0%3218Roberto Ortiz4125.0%2818Ben May4125.0%34811Ryan Additon7228.6%64912Lance Barksdale6233.3%56912Nic Lentz6233.3%31912Jordan Baker6233.3%55412Chris Conroy3133.3%32312Mike Muchlinski3133.3%51712Gabe Morales3133.3%24812Nick Mahrley3133.3%34012Jansen Visconti3133.3%26512Stu Scheurwater3133.3%26812Nestor Ceja3133.3%31012Nate Tomlinson3133.3%27723D.J. Reyburn5240.0%34123Malachi Moore5240.0%28725Bruce Dreckman7342.9%63726Laz Diaz12650.0%54826Tripp Gibson8450.0%68226Rob Drake8450.0%57726Chris 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%30738Doug Eddings9555.6%56138Brian O’Nora9555.6%63440Carlos Torres7457.1%34841Bill Miller10660.0%53241Hunter Wendelstedt5360.0%25843Adrian Johnson8562.5%63844Mark Wegner6466.7%61444Alfonso Márquez6466.7%54544Alan Porter3266.7%32044Todd Tichenor3266.7%34244Jeremie Rehak3266.7%27344Ryan Blakney3266.7%24944Shane Livensparger3266.7%27444Lance Barrett12866.7%57052Chris Segal10770.0%32153Dan Iassogna11872.7%53554Chad Fairchild4375.0%27554Cory Blaser4375.0%31054Sean Barber4375.0%32254Paul Clemons4375.0%29158CB Bucknor9777.8%67459Manny Gonzalez5480.0%29659Ron Kulpa5480.0%30461Dan Bellino6583.3%26361Andy Fletcher121083.3%66163Jim Wolf33100.0%27463Adam Hamari11100.0%24063Chad Whitson77100.0%29563Mike Estabrook55100.0%29163Junior Valentine22100.0%26963Charlie Ramos11100.0%271
