2026Regular Season
Career Splits
| Challenge Stats | Batter Decision Quality | Call Context | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year | TM | Won | Att | Win% | CDQ | ROE | Net RE | Net WPA | xChall | COE | bCDQ | bCDQ/P | CS | CC | BC | MO | ROE | WOE | Win% | Call LI | cBE% | acBE% | xChall% |
| 2026 | SF | 2 | 2 | 100.0% | -0.20 | +0.07 | +0.570 | +0.087 | 3.03 | -1.03 | -0.20 | -0.0070 | 29 | 2 | 0 | 5 | +0.07 | +0.022 | 100.0% | 2.85 | 44.1% | 13.6% | 43.2% |
| Career | 2 | 2 | 100.0% | -0.20 | +0.07 | +0.570 | +0.087 | 3.03 | -1.03 | -0.20 | -0.0070 | 29 | 2 | 0 | 5 | +0.07 | +0.022 | 100.0% | 2.85 | 44.1% | 13.6% | 43.2% | |
2026 Challenges
Result
Role
Window
2 of 2 challenges
| Date▼ | Opp | Role | Inn | Count | Outs | Runners | Ch. Rem. | Dist (in.) | LI | Net RE | Net WPA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ✓ | Aug 1 | SD | batter | ▲ 6 | 1-2 | 1 | 2 | -0.96 | 4.79 | +0.446 | +7.3% | |
| ✓ | Jul 21 | KC | batter | ▲ 3 | 2-1 | 1 | 2 | -1.67 | 0.91 | +0.124 | +1.4% |
Strike Zone (Catcher's View)
Batter
2 pitches
1.2% larger than league avg by area
By Count
cell = win% · won/att · ΔRE
strikes →balls ↓
0
1
2
0
0-0—
0-1—
0-2—
1
1-0—
1-1—
1-2100%
1/1+0.45
2
2-0—
2-1100%
1/1+0.12
2-2—
3
3-0—
3-1—
3-2—
By Leverage
Low (<1)
100% (1/1)win
17% (1/6)chall
Med (1–2)
— (0/0)win
0% (0/2)chall
High (2+)
100% (1/1)win
100% (1/1)chall
Vertical tick = league avg win%. Bar = Christian Koss's win%. Challenge% = correct challenges / winnable opportunities.

