50 players are tied for the highest batting average against left-handed pitchers in a season, with an average of 1.000. The first three are Miles Mastrobuoni and Will Brennan this season and Petey Halpin in 2025.
Interpreted as:
best ba by a player vs lefty this regular season| NAME | AVG | SEASON | TM | G | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | PA | TB | XBH | SH | SF | IBB | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Mastrobuoni | 1.000 | 2026 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 2 | | W. Brennan | 1.000 | 2026 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 3 | | P. Halpin | 1.000 | 2025 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 4 | | T. Lipscomb | 1.000 | 2025 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 5 | | J. Devers | 1.000 | 2024 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 6 | | A. Toro | 1.000 | 2023 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 7 |  | O. Lopez | 1.000 | 2022 | 2 | 3 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 8 | | C. Thomas | 1.000 | 2022 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 9 | | C. Tromp | 1.000 | 2022 | 1 | 3 | 3 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 5 | 2 | 0 | 0 | 0 | 1.000 | 1.667 | 2.667 | |
| 10 | | A. Sánchez | 1.000 | 2021 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1.000 | 2.000 | 3.000 | |
| 11 | | A. Heaney | 1.000 | 2021 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 12 | | A. Voth | 1.000 | 2021 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 13 | | T. Hunter | 1.000 | 2021 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 14 | | JT Riddle | 1.000 | 2021 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 15 | | E. Soto | 1.000 | 2020 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1.000 | 2.000 | 3.000 | |
| 16 | | M. Williams | 1.000 | 2020 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 0 | 1.000 | 3.000 | 4.000 | |
| 17 | | C. Pache | 1.000 | 2020 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 18 | | M. Schrock | 1.000 | 2020 | 2 | 2 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 5 | 1 | 0 | 0 | 0 | 1.000 | 2.500 | 3.500 | |
| 19 | | N. Heath | 1.000 | 2020 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 20 | | E. Nunez | 1.000 | 2020 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 21 | | R. Rivera | 1.000 | 2020 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 22 | | M. Sierra | 1.000 | 2019 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 23 | | O. Drake | 1.000 | 2019 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 24 | | A. Stevenson | 1.000 | 2019 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
| 25 | | F. Liriano | 1.000 | 2019 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 | |
SEA
SFG
CLE
WSH
MIA
MIL
TOR
OAK
ATL
STL
LAA
NYM
MIN
BAL
KCR
TBR
PITStatMuse has event-level data for batting average going back to the 1974 season.
Some of the information used here was obtained free of charge from Retrosheet.
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More Mariners Stats
Team Batting Leaders 
HR
18
Canzone
RBI
50
Young
AVG
.283
Arozarena
Team Pitching Leaders 
W
8
Gilbert
K
139
Gilbert
ERA
2.80
Miller
Team Rankings
HR
131
14th
R
447
28th
SO
954
11th
ERA
3.74
8th
Astros
Rangers
DET
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
66 | 45 | .595 | ||
58 | 53 | .523 | 8.0 | |
57 | 55 | .509 | 9.5 | |
55 | 57 | .491 | 11.5 | |
47 | 65 | .420 | 19.5 | |
| NL Central | W | L | PCT | GB |
69 | 41 | .627 | ||
63 | 48 | .568 | 6.5 | |
56 | 56 | .500 | 14.0 | |
54 | 57 | .486 | 15.5 | |
52 | 58 | .473 | 17.0 | |
| NL West | W | L | PCT | GB |
69 | 42 | .622 | ||
59 | 52 | .532 | 10.0 | |
57 | 54 | .514 | 12.0 | |
47 | 64 | .423 | 22.0 | |
44 | 67 | .396 | 25.0 |
Phillies
Cubs
Reds
Dodgers
Diamondbacks
Padres
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
65 | 45 | .591 | ||
62 | 49 | .559 | 3.5 | |
59 | 51 | .536 | 6.0 | |
54 | 57 | .486 | 11.5 | |
52 | 59 | .468 | 13.5 | |
| AL Central | W | L | PCT | GB |
58 | 52 | .527 | ||
56 | 56 | .500 | 3.0 | |
56 | 56 | .500 | 3.0 | |
53 | 58 | .477 | 5.5 | |
46 | 66 | .411 | 13.0 | |
| AL West | W | L | PCT | GB |
57 | 55 | .509 | ||
55 | 56 | .495 | 1.5 | |
54 | 58 | .482 | 3.0 | |
45 | 66 | .405 | 11.5 | |
42 | 69 | .378 | 14.5 |
Yankees
Red Sox
White Sox