Seattle Mariners Almanac
CFA Encyclopedia CFA homepage
Owner: Kevin Rounce (2018-present), Dusty Bloomingheart (2006-2017)
Season leaders: Batting Pitching Fielding
Career leaders: Batting Pitching Fielding
| Franchise History |
 | W | L | Pct | | Pl | GB | | RF | RA | Diff | | Pythag | Pct | +/- | | Owner | Note |
| 2006 | 88 | 74 | .543 |   | 2nd | 1 |   | 776 | 707 | 69 |   | 89-73 | .546 | -1 |   | Bloomingheart |   |
| 2007 | 78 | 84 | .481 |   | 4th | 12 |   | 761 | 782 | -21 |   | 79-83 | .486 | -1 |   | Bloomingheart |   |
| 2008 | 80 | 82 | .494 |   | 2nd | 14 |   | 732 | 697 | 35 |   | 85-77 | .524 | -5 |   | Bloomingheart |   |
| 2009 | 62 | 100 | .383 |   | 4th | 36 |   | 689 | 876 | -187 |   | 62-100 | .382 | 0 |   | Bloomingheart |   |
| 2010 | 77 | 85 | .475 |   | 2nd | 12 |   | 853 | 839 | 14 |   | 82-80 | .508 | -5 |   | Bloomingheart |   |
| 2011 | 90 | 72 | .556 |   | 1st | -- |   | 728 | 630 | 98 |   | 93-69 | .572 | -3 |   | Bloomingheart | Playoffs |
| 2012 | 80 | 82 | .494 |   | 3rd | 21 |   | 701 | 713 | -12 |   | 80-82 | .492 | 0 |   | Bloomingheart |   |
| 2013 | 90 | 72 | .556 |   | 2nd | 4 |   | 706 | 571 | 135 |   | 98-64 | .605 | -8 |   | Bloomingheart | Playoffs |
| 2014 | 79 | 83 | .488 |   | 4th | 18 |   | 766 | 757 | 9 |   | 82-80 | .506 | -3 |   | Bloomingheart |   |
| 2015 | 95 | 67 | .586 |   | 1st | -- |   | 773 | 606 | 167 |   | 100-62 | .619 | -5 |   | Bloomingheart | Playoffs |
| 2016 | 76 | 86 | .469 |   | 5th | 24 |   | 672 | 716 | -44 |   | 76-86 | .468 | 0 |   | Bloomingheart |   |
| 2017 | 85 | 77 | .525 |   | 3rd | 11 |   | 807 | 711 | 96 |   | 91-71 | .563 | -6 |   | Bloomingheart |   |
| 2018 | 106 | 56 | .654 |   | 1st | -- |   | 849 | 613 | 236 |   | 106-56 | .657 | 0 |   | Rounce | Playoffs |
| 2019 | 88 | 74 | .543 |   | 3rd | 17 |   | 811 | 692 | 119 |   | 94-68 | .579 | -6 |   | Rounce |   |
| 2020 | 89 | 73 | .549 |   | 2nd | 3 |   | 819 | 742 | 77 |   | 89-73 | .549 | 0 |   | Rounce | Playoffs |
| 2021 | 77 | 85 | .475 |   | 2nd | 14 |   | 704 | 776 | -72 |   | 73-89 | .451 | 4 |   | Rounce |   |
| 2022 | 48 | 114 | .296 |   | 5th | 41 |   | 501 | 928 | -427 |   | 37-125 | .226 | 11 |   | Rounce |   |
| 2023 | | | |   | | |   | | | |   | | | |   | Rounce |   |
| Performance Breakdown 1 |
 | Pct | | Home | HPct | Away | APct | | vsLHP | LPct | vsRHP | RPct | | Div | DPct | InterLg | ILPct |
| 2006 | .543 |   | 47-34 | .580 | 41-40 | .506 |   | 25-18 | .581 | 63-56 | .529 |   | 27-25 | .519 | 15-15 | .500 |
| 2007 | .481 |   | 38-43 | .469 | 40-41 | .494 |   | 29-31 | .483 | 49-53 | .480 |   | 26-26 | .500 | 9-21 | .300 |
| 2008 | .494 |   | 41-40 | .506 | 39-42 | .481 |   | 35-16 | .686 | 45-66 | .405 |   | 27-25 | .519 | 11-19 | .367 |
| 2009 | .383 |   | 31-50 | .383 | 31-50 | .383 |   | 26-29 | .473 | 36-71 | .336 |   | 21-31 | .404 | 6-24 | .200 |
| 2010 | .475 |   | 39-42 | .481 | 38-43 | .469 |   | 28-22 | .560 | 49-63 | .438 |   | 30-22 | .577 | 13-17 | .433 |
| 2011 | .556 |   | 43-38 | .531 | 47-34 | .580 |   | 25-26 | .490 | 65-46 | .586 |   | 30-22 | .577 | 15-15 | .500 |
| 2012 | .494 |   | 37-44 | .457 | 43-38 | .531 |   | 19-31 | .380 | 61-51 | .545 |   | 22-30 | .423 | 18-12 | .600 |
| 2013 | .556 |   | 42-39 | .519 | 48-33 | .593 |   | 24-30 | .444 | 66-42 | .611 |   | 32-20 | .615 | 17-13 | .567 |
| 2014 | .488 |   | 46-35 | .568 | 33-48 | .407 |   | 26-25 | .510 | 53-58 | .477 |   | 25-27 | .481 | 8-22 | .267 |
| 2015 | .586 |   | 46-35 | .568 | 49-32 | .605 |   | 22-22 | .500 | 73-45 | .619 |   | 31-21 | .596 | 15-15 | .500 |
| 2016 | .469 |   | 40-41 | .494 | 36-45 | .444 |   | 25-23 | .521 | 51-63 | .447 |   | 21-31 | .404 | 13-17 | .433 |
| 2017 | .525 |   | 49-32 | .605 | 36-45 | .444 |   | 16-24 | .400 | 69-53 | .566 |   | 27-25 | .519 | 11-19 | .367 |
| 2018 | .654 |   | 59-22 | .728 | 47-34 | .580 |   | 26-15 | .634 | 80-41 | .661 |   | 36-16 | .692 | 17-13 | .567 |
| 2019 | .543 |   | 50-31 | .617 | 38-43 | .469 |   | 24-17 | .585 | 64-57 | .529 |   | 31-21 | .596 | 14-16 | .467 |
| 2020 | .549 |   | 48-33 | .593 | 41-40 | .506 |   | 25-19 | .568 | 64-54 | .542 |   | 29-23 | .558 | 16-14 | .533 |
| 2021 | .475 |   | 40-41 | .494 | 37-44 | .457 |   | 28-27 | .509 | 49-58 | .458 |   | 29-23 | .558 | 14-16 | .467 |
| 2022 | .296 |   | 30-51 | .370 | 18-63 | .222 |   | 9-52 | .148 | 39-62 | .386 |   | 14-38 | .269 | 9-21 | .300 |
| 2023 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Performance Breakdown 2 |
 | Lead7 | L7Pct | Tied7 | T7Pct | Trail7 | B7Pct | | 1-run | 1RPct | Extra | ExPct | | Grass | Turf |
| 2006 | 69-9 | .885 | 12-7 | .632 | 7-58 | .108 |   | 30-24 | .556 | 9-5 | .643 |   | 85-69 | 3-5 |
| 2007 | 64-8 | .889 | 10-13 | .435 | 4-63 | .060 |   | 20-20 | .500 | 8-6 | .571 |   | 72-82 | 6-2 |
| 2008 | 69-10 | .873 | 5-11 | .313 | 6-61 | .090 |   | 19-24 | .442 | 7-8 | .467 |   | 75-79 | 5-3 |
| 2009 | 53-7 | .883 | 3-12 | .200 | 6-81 | .069 |   | 16-25 | .390 | 7-11 | .389 |   | 58-96 | 4-4 |
| 2010 | 66-6 | .917 | 3-11 | .214 | 8-68 | .105 |   | 19-30 | .388 | 4-10 | .286 |   | 75-79 | 2-6 |
| 2011 | 76-5 | .938 | 8-8 | .500 | 6-59 | .092 |   | 24-26 | .480 | 6-10 | .375 |   | 87-71 | 3-1 |
| 2012 | 63-5 | .926 | 12-12 | .500 | 5-65 | .071 |   | 28-22 | .560 | 10-9 | .526 |   | 77-81 | 3-1 |
| 2013 | 69-4 | .945 | 12-11 | .522 | 9-57 | .136 |   | 25-28 | .472 | 14-7 | .667 |   | 87-71 | 3-1 |
| 2014 | 68-8 | .895 | 6-8 | .429 | 5-67 | .069 |   | 23-22 | .511 | 4-12 | .250 |   | 77-81 | 2-2 |
| 2015 | 81-5 | .942 | 9-9 | .500 | 5-53 | .086 |   | 18-24 | .429 | 5-10 | .333 |   | 94-64 | 1-3 |
| 2016 | 60-16 | .789 | 10-8 | .556 | 6-62 | .088 |   | 22-26 | .458 | 9-6 | .600 |   | 72-86 | 4-0 |
| 2017 | 71-6 | .922 | 7-11 | .389 | 7-60 | .104 |   | 16-18 | .471 | 4-9 | .308 |   | 82-76 | 3-1 |
| 2018 | 76-6 | .927 | 21-10 | .677 | 9-40 | .184 |   | 32-25 | .561 | 14-9 | .609 |   | 103-55 | 3-1 |
| 2019 | 70-8 | .897 | 11-12 | .478 | 7-54 | .115 |   | 23-29 | .442 | 8-8 | .500 |   | 85-73 | 3-1 |
| 2020 | 70-3 | .959 | 10-5 | .667 | 9-65 | .122 |   | 24-18 | .571 | 7-5 | .583 |   | 84-70 | 5-3 |
| 2021 | 63-4 | .940 | 10-8 | .556 | 4-73 | .052 |   | 20-21 | .488 | 7-6 | .538 |   | 71-74 | 6-11 |
| 2022 | 32-9 | .780 | 9-8 | .529 | 7-97 | .067 |   | 26-20 | .565 | 9-12 | .429 |   | 46-97 | 2-17 |
| 2023 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Trophy case


