| 2021 Schedule For HMA | ||
| Month | Game | Matchup |
| March | 1 | HMA at CAL |
| March | 2 | HMA at CAL |
| March | 3 | HMA at CAL |
| March | OFF | |
| March | 4 | HMA at SRD |
| March | 5 | HMA at SRD |
| March | 6 | HMA at SRD |
| March | 7 | COL at HMA |
| March | 8 | COL at HMA |
| March | 9 | COL at HMA |
| March | 10 | HMA at BUR |
| March | 11 | HMA at BUR |
| March | 12 | HMA at BUR |
| March | OFF | |
| March | 13 | TAM at HMA |
| March | 14 | TAM at HMA |
| March | 15 | TAM at HMA |
| March | 16 | HMA at WRK |
| March | 17 | HMA at WRK |
| March | 18 | HMA at WRK |
| March | 19 | CUB at HMA |
| March | 20 | CUB at HMA |
| March | 21 | CUB at HMA |
| April | 1 | HMA at DYE |
| April | 2 | HMA at DYE |
| April | 3 | HMA at DYE |
| April | OFF | |
| April | 4 | SYI at HMA |
| April | 5 | SYI at HMA |
| April | 6 | SYI at HMA |
| April | 7 | HMA at CRC |
| April | 8 | HMA at CRC |
| April | 9 | HMA at CRC |
| April | 10 | HMA at GGG |
| April | 11 | HMA at GGG |
| April | 12 | HMA at GGG |
| April | OFF | |
| April | 13 | HUC at HMA |
| April | 14 | HUC at HMA |
| April | 15 | HUC at HMA |
| April | 16 | CAL at HMA |
| April | 17 | CAL at HMA |
| April | 18 | CAL at HMA |
| April | 19 | SRD at HMA |
| April | 20 | SRD at HMA |
| April | 21 | SRD at HMA |
| May | 1 | HMA at COL |
| May | 2 | HMA at COL |
| May | 3 | HMA at COL |
| May | OFF | |
| May | 4 | VRN at HMA |
| May | 5 | VRN at HMA |
| May | 6 | VRN at HMA |
| May | 7 | HMA at CHI |
| May | 8 | HMA at CHI |
| May | 9 | HMA at CHI |
| May | 10 | DUB at HMA |
| May | 11 | DUB at HMA |
| May | 12 | DUB at HMA |
| May | OFF | |
| May | 13 | * OAK at HMA |
| May | 14 | * OAK at HMA |
| May | 15 | * OAK at HMA |
| May | 16 | * OAK at HMA |
| May | 17 | * OAK at HMA |
| May | 18 | * HMA at AAR |
| May | 19 | * HMA at AAR |
| May | 20 | * HMA at AAR |
| May | 21 | * HMA at AAR |
| May | OFF | |
| May | 22 | BUR at HMA |
| May | 23 | BUR at HMA |
| May | 24 | BUR at HMA |
| June | 1 | HMA at TAM |
| June | 2 | HMA at TAM |
| June | 3 | HMA at TAM |
| June | 4 | WRK at HMA |
| June | 5 | WRK at HMA |
| June | 6 | WRK at HMA |
| June | OFF | |
| June | 7 | * HMA at OAK |
| June | 8 | * HMA at OAK |
| June | 9 | * HMA at OAK |
| June | 10 | * HMA at OAK |
| June | 11 | * HMA at OAK |
| June | 12 | * NYY at HMA |
| June | 13 | * NYY at HMA |
| June | 14 | * NYY at HMA |
| June | 15 | * NYY at HMA |
| June | OFF | |
| June | 16 | * HMA at HOH |
| June | 17 | * HMA at HOH |
| June | 18 | * HMA at HOH |
| June | 19 | * HMA at HOH |
| June | 20 | * HMA at HOH |
| June | 21 | * AAR at HMA |
| June | 22 | * AAR at HMA |
| June | 23 | * AAR at HMA |
| June | 24 | * AAR at HMA |
| All Star Break | OFF | |
| All Star Break | OFF | |
| All Star Break | OFF | |
| July | 1 | HMA at CUB |
| July | 2 | HMA at CUB |
| July | 3 | HMA at CUB |
| July | 4 | DYE at HMA |
| July | 5 | DYE at HMA |
| July | 6 | DYE at HMA |
| July | OFF | |
| July | 7 | HMA at VRN |
| July | 8 | HMA at VRN |
| July | 9 | HMA at VRN |
| July | 10 | CHI at HMA |
| July | 11 | CHI at HMA |
| July | 12 | CHI at HMA |
| July | 13 | HMA at DUB |
| July | 14 | HMA at DUB |
| July | 15 | HMA at DUB |
| July | OFF | |
| July | 16 | * HOH at HMA |
| July | 17 | * HOH at HMA |
| July | 18 | * HOH at HMA |
| July | 19 | * HOH at HMA |
| July | 20 | * HOH at HMA |
| July | 21 | * HMA at NYY |
| July | 22 | * HMA at NYY |
| July | 23 | * HMA at NYY |
| July | 24 | * HMA at NYY |
| Trade Deadline | OFF | |
| August | 1 | HMA at SYI |
| August | 2 | HMA at SYI |
| August | 3 | HMA at SYI |
| August | 4 | CRC at HMA |
| August | 5 | CRC at HMA |
| August | 6 | CRC at HMA |
| August | OFF | |
| August | 7 | * AAR at HMA |
| August | 8 | * AAR at HMA |
| August | 9 | * AAR at HMA |
| August | 10 | * AAR at HMA |
| August | 11 | * AAR at HMA |
| August | 12 | * HMA at OAK |
| August | 13 | * HMA at OAK |
| August | 14 | * HMA at OAK |
| August | 15 | * HMA at OAK |
| August | OFF | |
| August | 16 | * HMA at NYY |
| August | 17 | * HMA at NYY |
| August | 18 | * HMA at NYY |
| August | 19 | * HMA at NYY |
| August | 20 | * HMA at NYY |
| August | 21 | * OAK at HMA |
| August | 22 | * OAK at HMA |
| August | 23 | * OAK at HMA |
| August | 24 | * OAK at HMA |
| September | 1 | GGG at HMA |
| September | 2 | GGG at HMA |
| September | 3 | GGG at HMA |
| September | 4 | HMA at HUC |
| September | 5 | HMA at HUC |
| September | 6 | HMA at HUC |
| September | OFF | |
| September | 7 | * HMA at AAR |
| September | 8 | * HMA at AAR |
| September | 9 | * HMA at AAR |
| September | 10 | * HMA at AAR |
| September | 11 | * HMA at AAR |
| September | 12 | * HOH at HMA |
| September | 13 | * HOH at HMA |
| September | 14 | * HOH at HMA |
| September | 15 | * HOH at HMA |
| September | OFF | |
| September | 16 | * NYY at HMA |
| September | 17 | * NYY at HMA |
| September | 18 | * NYY at HMA |
| September | 19 | * NYY at HMA |
| September | 20 | * NYY at HMA |
| September | 21 | * HMA at HOH |
| September | 22 | * HMA at HOH |
| September | 23 | * HMA at HOH |
| September | 24 | * HMA at HOH |