| 2025 | Monclova Acereros | Mex | Norte | 90 | 51 | 39 | .567 | 3.0 | 528 | 478 | 50 | | | 208,334 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2024 | Monclova Acereros | Mex | Norte | 91 | 51 | 40 | .560 | 2.5 | 527 | 408 | 119 | | | 189,443 | 0 | Estadio de Beisbol Monclova | Lost in Zone Series |
| 2023 | Monclova Acereros | Mex | North | 89 | 46 | 43 | .517 | 5.5 | 452 | 447 | 5 | | | 186,175 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2022 | Monclova Acereros | Mex | North | 85 | 54 | 31 | .635 | 5.5 | 622 | 448 | 174 | | | 205,603 | 0 | Estadio de Beisbol Monclova | Lost in Zone Series |
| 2021 | Monclova Acereros | Mex | North | 66 | 35 | 31 | .530 | 12.5 | 358 | 373 | -15 | | | 109,447 | 0 | Estadio de Beisbol Monclova | Lost in Zone Series |
| 2019 | Monclova Acereros | Mex | North | 120 | 75 | 45 | .625 | -- | 896 | 647 | 249 | | | 349,126 | 0 | Estadio de Beisbol Monclova | League champions |
| 2018.2 | Monclova Acereros | Mex | North | 56 | 42 | 14 | .750 | -- | 360 | 190 | 170 | | | 174,487 | 0 | Estadio de Beisbol Monclova | Lost in semi-finals |
| 2018.1 | Monclova Acereros | Mex | North | 56 | 29 | 27 | .518 | -- | 329 | 311 | 18 | | | 0 | 0 | Estadio de Beisbol Monclova | Lost in 1st round |
| 2017 | Monclova Acereros | Mex | North | 108 | 67 | 41 | .620 | 8.0 | 640 | 474 | 166 | | | 392,795 | 0 | Estadio de Beisbol Monclova | Lost in 1st round |
| 2016 | Monclova Acereros | Mex | North | 112 | 69 | 43 | .616 | 3.5 | 525 | 455 | 70 | Homar Rojas | | 353,252 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2015 | Monclova Acereros | Mex | North | 110 | 59 | 51 | .536 | 13.0 | 579 | 535 | 44 | | | 308,646 | 0 | Estadio de Beisbol Monclova | Lost in Finals |
| 2014 | Monclova Acereros | Mex | North | 111 | 60 | 51 | .541 | 9.5 | 599 | 594 | 5 | Homar Rojas | | 0 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2013 | Monclova Acereros | Mex | North | 110 | 53 | 57 | .482 | 8.5 | 554 | 622 | -68 | | | 0 | 0 | Estadio de Beisbol Monclova | Lost in play-ins |
| 2012 | Monclova Acereros | Mex | North | 113 | 57 | 56 | .504 | 10.5 | 573 | 540 | 33 | | | 0 | 0 | Estadio de Beisbol Monclova | dnq |
| 2011 | Monclova Acereros | Mex | North | 106 | 47 | 59 | .443 | 17.5 | 627 | 631 | -4 | | | 0 | 0 | Estadio de Beisbol Monclova | dnq |
| 2010 | Monclova Acereros | Mex | North | 105 | 53 | 52 | .505 | 11.5 | 557 | 520 | 37 | | | 265,222 | 0 | Estadio de Beisbol Monclova | dnq |
| 2009 | Monclova Acereros | Mex | North | 107 | 57 | 50 | .533 | 13.5 | 637 | 0 | 637 | | | 430,059 | 0 | Estadio de Beisbol Monclova | dnq |
| 2008 | Monclova Acereros | Mex | North | 109 | 69 | 40 | .633 | -- | 598 | 434 | 164 | | | 320,102 | 0 | Estadio de Beisbol Monclova | Lost in Semi-Finals |
| 2007 | Monclova Acereros | Mex | North | 109 | 57 | 52 | .523 | 13.0 | 528 | 512 | 16 | Chico Rodriguez | | 0 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2006 | Monclova Acereros | Mex | North | 108 | 48 | 60 | .444 | 30.5 | 622 | 660 | -38 | | | 0 | 0 | Estadio de Beisbol Monclova | dnq |
| 2005 | Monclova Acereros | Mex | North | 108 | 53 | 55 | .491 | 10.0 | 628 | 602 | 26 | | | 0 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2004 | Monclova Acereros | Mex | North | 99 | 39 | 60 | .394 | 25.0 | 415 | 562 | -147 | | | 0 | 0 | Estadio de Beisbol Monclova | dnq |
| 2003 | Monclova Acereros | Mex | Eastern | 108 | 49 | 59 | .454 | 19.0 | 470 | 569 | -99 | | | 0 | 0 | Estadio de Beisbol Monclova | dnq |
| 2002 | Monclova Acereros | Mex | Northern | 110 | 56 | 54 | .509 | 18.0 | 536 | 549 | -13 | | | 0 | 0 | Estadio de Beisbol Monclova | Lost in 1st Round |
| 2001 | Monclova Acereros | Mex | Eastern | 119 | 67 | 52 | .563 | 1.5 | 632 | 520 | 112 | | | 0 | 0 | Estadio de Beisbol Monclova | Lost in Semi-Finals |
| 2000 | Monclova Acereros | Mex | Eastern | 121 | 58 | 63 | .479 | 20.0 | 684 | 663 | 21 | Domingo Rivera, Andres Mora | | 0 | 0 | Estadio de Beisbol Monclova | dnq |
| 26 record(s) |