The Houston Astros have fanned the most hitters by a team against left-handed batters in a season, with 827 strikeouts in 2019.
Interpreted as:
MLB team most strikeouts vs lefty starting pitchers this regular season| TEAM | SO | SEASON | G | W% | W | L | H | HR | BB | HBP | IBB | K/BB | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Astros | 827 | 2019 | 162 | .660 | 107 | 55 | 500 | 106 | 219 | 23 | 0 | 3.78 |
| 2 | | Astros | 805 | 2018 | 162 | .636 | 103 | 59 | 452 | 67 | 204 | 35 | 2 | 3.95 |
| 3 |  | Tigers | 755 | 2013 | 162 | .574 | 93 | 69 | 738 | 67 | 261 | 12 | 15 | 2.89 |
| 4 | | Astros | 727 | 2017 | 161 | .621 | 100 | 61 | 555 | 81 | 224 | 29 | 8 | 3.25 |
| 5 |  | Indians | 713 | 2014 | 162 | .525 | 85 | 77 | 637 | 63 | 240 | 14 | 27 | 2.97 |
| 6 | | Indians | 712 | 2018 | 162 | .562 | 91 | 71 | 665 | 110 | 218 | 26 | 14 | 3.27 |
| 7 |  | Reds | 711 | 2019 | 162 | .463 | 75 | 87 | 604 | 110 | 293 | 36 | 14 | 2.43 |
| 8 |  | Rays | 691 | 2025 | 161 | .478 | 77 | 84 | 566 | 98 | 253 | 26 | 11 | 2.73 |
| 9 |  | Pirates | 687 | 2026 | 142 | .493 | 70 | 72 | 631 | 86 | 308 | 40 | 14 | 2.23 |
| 10 |  | Twins | 683 | 2023 | 162 | .537 | 87 | 75 | 572 | 69 | 215 | 27 | 11 | 3.18 |
| 11 |  | Phillies | 683 | 2021 | 162 | .506 | 82 | 80 | 576 | 83 | 245 | 26 | 16 | 2.79 |
| 12 | | Twins | 674 | 2024 | 162 | .506 | 82 | 80 | 634 | 91 | 199 | 33 | 7 | 3.39 |
| 13 |  | Braves | 673 | 2023 | 162 | .642 | 104 | 58 | 577 | 91 | 282 | 32 | 10 | 2.39 |
| 14 |  | Blue Jays | 672 | 2025 | 162 | .580 | 94 | 68 | 605 | 96 | 283 | 27 | 10 | 2.37 |
| 15 | | Rays | 672 | 2015 | 162 | .494 | 80 | 82 | 622 | 67 | 248 | 13 | 11 | 2.71 |
| 16 | | Reds | 670 | 2021 | 162 | .512 | 83 | 79 | 549 | 90 | 315 | 27 | 17 | 2.13 |
| 17 |  | Mariners | 667 | 2025 | 162 | .556 | 90 | 72 | 648 | 103 | 249 | 26 | 15 | 2.68 |
| 18 | | Indians | 666 | 2013 | 162 | .568 | 92 | 70 | 676 | 77 | 301 | 20 | 14 | 2.21 |
| 19 |  | Padres | 665 | 2015 | 162 | .457 | 74 | 88 | 667 | 98 | 304 | 28 | 23 | 2.19 |
| 20 |  | Yankees | 663 | 2018 | 159 | .616 | 98 | 61 | 522 | 66 | 204 | 29 | 1 | 3.25 |
| 21 | | Mariners | 660 | 2024 | 162 | .525 | 85 | 77 | 594 | 97 | 196 | 15 | 7 | 3.37 |
| 22 | | Rays | 660 | 2023 | 162 | .611 | 99 | 63 | 530 | 68 | 196 | 19 | 5 | 3.37 |
| 23 | | Astros | 659 | 2022 | 161 | .658 | 106 | 55 | 475 | 54 | 210 | 22 | 4 | 3.14 |
| 24 |  | White Sox | 658 | 2021 | 162 | .574 | 93 | 69 | 470 | 69 | 187 | 22 | 4 | 3.52 |
| 25 |  | Marlins | 657 | 2026 | 142 | .500 | 71 | 71 | 631 | 77 | 297 | 23 | 3 | 2.21 |
StatMuse has event-level data for strikeouts going back to the 1974 season.
Some of the information used here was obtained free of charge from Retrosheet.
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More Astros Stats
Team Batting Leaders 
HR
37
Alvarez
RBI
94
Alvarez
AVG
.317
Alvarez
Team Pitching Leaders 
W
8
Lambert
K
131
Lambert
ERA
3.02
Blubaugh
Team Rankings
HR
186
5th
R
642
10th
SO
1,248
9th
ERA
4.53
24th
Astros
Rangers
Mariners
Athletics
Angels
AZ
PHI
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
84 | 57 | .596 | ||
79 | 62 | .560 | 5.0 | |
71 | 71 | .500 | 13.5 | |
67 | 76 | .469 | 18.0 | |
64 | 77 | .454 | 20.0 | |
| NL Central | W | L | PCT | GB |
88 | 54 | .620 | ||
80 | 62 | .563 | 8.0 | |
71 | 71 | .500 | 17.0 | |
70 | 72 | .493 | 18.0 | |
67 | 74 | .475 | 20.5 | |
| NL West | W | L | PCT | GB |
84 | 57 | .596 | ||
74 | 67 | .525 | 10.0 | |
74 | 68 | .521 | 10.5 | |
58 | 84 | .408 | 26.5 | |
54 | 87 | .383 | 30.0 |
Braves
Marlins
Nationals
Mets
Brewers
Cubs
Cardinals
Pirates
Reds
Dodgers
Padres
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
84 | 57 | .596 | ||
80 | 61 | .567 | 4.0 | |
77 | 65 | .542 | 7.5 | |
71 | 71 | .500 | 13.5 | |
69 | 73 | .486 | 15.5 | |
| AL Central | W | L | PCT | GB |
74 | 67 | .525 | ||
72 | 70 | .507 | 2.5 | |
67 | 74 | .475 | 7.0 | |
64 | 77 | .454 | 10.0 | |
63 | 79 | .444 | 11.5 | |
| AL West | W | L | PCT | GB |
73 | 69 | .514 | ||
70 | 72 | .493 | 3.0 | |
66 | 75 | .468 | 6.5 | |
55 | 86 | .390 | 17.5 | |
53 | 88 | .376 | 19.5 |
Rays
Yankees
Red Sox
Blue Jays
Orioles
White Sox
Guardians
Twins
Tigers
Royals