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John Libka
Home Plate Umpire — 8 games behind the plate
Games (HP)
8
Total Challenges
30
Overturned
14
Confirmed
16
Overturn Rate
46.7%
Challenges / Game
3.75
Ball Calls Overturned
9/13
69.2%
Strike Calls Overturned
4/15
26.7%
Games Behind the Plate
| Date | Matchup | Score | Challenges | Overturned |
|---|---|---|---|---|
| 2026-05-10 | TB @ BOS | 4-1 | 6 | 3 |
| 2026-05-03 | CWS @ SD | 3-4 | 5 | 2 |
| 2026-04-29 | KC @ ATH | 2-5 | 3 | 2 |
| 2026-04-23 | NYY @ BOS | 4-2 | 3 | 1 |
| 2026-04-17 | ATL @ PHI | 9-0 | 3 | 1 |
| 2026-04-14 | WSH @ PIT | 5-4 | 7 | 3 |
| 2026-04-10 | ATH @ NYM | 4-0 | 3 | 2 |
| 2026-04-06 | CIN @ MIA | 2-0 | 0 | 0 |
Challenge History
| Date | Inning | Batter | Pitcher | Call | Result | Zone |
|---|---|---|---|---|---|---|
| 2026-05-10 | ▼ 9 | Caleb Durbin(BOS) | Bryan Baker | — | Confirmed | |
| 2026-05-10 | ▲ 7 | Chandler Simpson(TB) | Justin Slaten | Strike → Strike | Confirmed | |
| 2026-05-10 | ▲ 7 | Nick Fortes(TB) | Justin Slaten | Strike → Ball | Overturned | |
| 2026-05-10 | ▼ 6 | Ceddanne Rafaela(BOS) | Kevin Kelly | Strike → Strike | Confirmed | |
| 2026-05-10 | ▲ 6 | Ben Williamson(BOS) | Zack Kelly | Ball → Strike | Overturned | |
| 2026-05-10 | ▼ 1 | Willson Contreras(BOS) | Nick Martinez | Strike → Ball | Overturned | |
| 2026-05-03 | ▲ 9 | Chase Meidroth(CWS) | Mason Miller | Strike → Strike | Confirmed | |
| 2026-05-03 | ▼ 8 | Miguel Andujar(SD) | Bryan Hudson | Strike → Strike | Confirmed | |
| 2026-05-03 | ▲ 6 | Munetaka Murakami(SD) | Adrian Morejon | Ball → Strike | Overturned | |
| 2026-05-03 | ▲ 4 | Chase Meidroth(SD) | Griffin Canning | Ball → Strike | Overturned | |
| 2026-05-03 | ▼ 2 | Nick Castellanos(CWS) | Anthony Kay | Ball → Ball | Confirmed | |
| 2026-04-29 | ▲ 9 | Jac Caglianone(ATH) | Mark Leiter Jr. | Ball → Ball | Confirmed | |
| 2026-04-29 | ▼ 4 | Carlos Cortes(KC) | Michael Wacha | — | Overturned | |
| 2026-04-29 | ▼ 2 | Zack Gelof(KC) | Michael Wacha | Ball → Strike | Overturned | |
| 2026-04-23 | ▲ 9 | Ben Rice(BOS) | Ryan Watson | Ball → Strike | Overturned |
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