Xander Bogaerts vs Mitch Keller
Platoon edge to the pitcher
Updated Jul 20, 2026
The Almanac's Take
Bogaerts and Keller are both right-handed, so there's no platoon edge here. The bigger concern is Bogaerts' season line — a .220/.311/.629 OPS across 370 PA tells a story of a hitter who's making contact but not doing much damage, with a .318 slug that's near the bottom of any usable range. Keller hasn't been sharp either at a 5.14 ERA and 1.33 WHIP over 103 innings, but a 6.7 K/9 is workable against a lineup with a 19.2% strikeout rate. The 13 head-to-head PA are too thin to mean anything — two hits, a .154 average, and soft 83.3 mph exit velocity is color, not signal.
Career head-to-head
Career meetings in the Statcast era (2015–present). Even a clear edge over a handful of plate appearances is a small sample — read it as color, not a projection.
Pitch mix to the batter
| Pitch | Count | Share |
|---|---|---|
| Sinker | 22 | 51.2% |
| Sweeper | 10 | 23.3% |
| 4-Seam Fastball | 6 | 14.0% |
| Cutter | 5 | 11.6% |
Plate-appearance log
- 2026-04-08Field Out · Sweeper 81.4 mph · 53.6 mph EV
- 2026-04-08Field Out · Sinker 91.7 mph · 96.7 mph EV
- 2025-05-30Field Out · Sweeper 82.2 mph · 92.1 mph EV
- 2025-05-30Field Out · Sinker 91.4 mph · 87.2 mph EV
- 2025-05-02Field Out · Sweeper 81.8 mph · 76.0 mph EV
- 2025-05-02Single · Sinker 93.1 mph · 90.0 mph EV
- 2025-05-02Field Out · Sweeper 82.4 mph · 100.3 mph EV
- 2024-08-14Field Out · Cutter 87.2 mph · 80.8 mph EV
- 2024-08-14Field Out · Sinker 91.9 mph · 77.9 mph EV
- 2024-08-14Field Out · Sweeper 82.8 mph · 64.7 mph EV
- 2023-06-28Single · 4-Seam Fastball 96.4 mph · 83.4 mph EV
- 2023-06-28Field Out · Cutter 88.0 mph · 92.2 mph EV
- 2023-06-28Force Out · Cutter 89.1 mph · 87.8 mph EV
Xander Bogaerts — Season
- Slash
- .220/.311/.318
- OPS
- .629
- HR
- 8
- RBI
- 36
- SB
- 12
- PA
- 370
Mitch Keller — Season
- ERA
- 5.14
- WHIP
- 1.33
- IP
- 103
- SO
- 77
- BB
- 35
- K/9
- 6.7

