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Ryan Zeferjahn
Pitcher — Chicago Cubs
#56Height: 6'5"
As Pitcher
Challenges
13
Overturn Rate
23.1%
Overturned
3
Confirmed
10
Recent Challenges
| Date | Inning | Role | Opponent | Call | Result | Zone |
|---|---|---|---|---|---|---|
| 2026-08-09 | ▼ 8 | As Pitcher | Batter: Nick Loftin(KC) | Strike → Strike | Confirmed | |
| 2026-08-02 | ▲ 9 | As Pitcher | Batter: Jake Bauers(MIL) | Strike → Strike | Confirmed | |
| 2026-07-24 | ▼ 9 | As Pitcher | Batter: Grant McCray(LAA) | Ball → Ball | Confirmed | |
| 2026-07-21 | ▲ 9 | As Pitcher | Batter: Lars Nootbaar(STL) | Strike → Strike | Confirmed | |
| 2026-07-12 | ▼ 8 | As Pitcher | Batter: Kody Clemens(MIN) | Strike → Strike | Confirmed | |
| 2026-07-08 | ▼ 7 | As Pitcher | Batter: Elias Díaz(LAA) | Ball → Strike | Overturned | |
| 2026-05-21 | ▲ 10 | As Pitcher | Batter: Henry Bolte(LAA) | Ball → Ball | Confirmed | |
| 2026-05-10 | ▼ 9 | As Pitcher | Batter: Jesús Sánchez(LAA) | Ball → Ball | Confirmed | |
| 2026-05-10 | ▼ 9 | As Pitcher | Batter: Jesús Sánchez(TOR) | Strike → Strike | Confirmed | |
| 2026-05-05 | ▲ 9 | As Pitcher | Batter: Miguel Vargas(LAA) | Ball → Ball | Confirmed | |
| 2026-05-02 | ▲ 10 | As Pitcher | Batter: Francisco Alvarez(NYM) | Strike → Ball | Overturned | |
| 2026-04-22 | ▲ 6 | As Pitcher | Batter: Lenyn Sosa(LAA) | Ball → Strike | Overturned | |
| 2026-04-08 | ▲ 5 | As Pitcher | Batter: Austin Riley(LAA) | Ball → Ball | Confirmed |