MLB Head-to-Head · Batter vs Pitcher

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

AVG
.154
2-for-13
PA
13
HR
0
K
0
BB
0
Pitches seen
43
Avg exit velo
83.3 mph

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

PitchCountShare
Sinker2251.2%
Sweeper1023.3%
4-Seam Fastball614.0%
Cutter511.6%

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

Player pages