| Date/Time | Event & Venue/City | |
| Mar 12, 2021 Fri 6:40PM |
Spring Training: Seattle Mariners vs. Cincinnati Reds | |
| Mar 13, 2021 Sat TBA |
Spring Training: San Diego Padres vs. Seattle Mariners (SS) | |
| Mar 13, 2021 Sat 1:10PM |
Spring Training: San Diego Padres vs. Arizona Diamondbacks | |
| Mar 14, 2021 Sun TBA |
Spring Training: San Diego Padres vs. Texas Rangers | |
| Mar 14, 2021 Sun 1:10PM |
Spring Training: Seattle Mariners vs. Milwaukee Brewers | |
| Mar 15, 2021 Mon 1:10PM |
Spring Training: Seattle Mariners vs. Los Angeles Dodgers | |
| Mar 15, 2021 Mon 1:10PM |
Spring Training: Seattle Mariners vs. Arizona Diamondbacks | |
| Mar 16, 2021 Tue TBA |
Spring Training: San Diego Padres vs. Arizona Diamondbacks (SS) | |
| Mar 16, 2021 Tue 1:10PM |
Spring Training: San Diego Padres vs. Chicago White Sox | |
| Mar 17, 2021 Wed 6:40PM |
Spring Training: Seattle Mariners vs. Chicago Cubs (SS) | |
| Mar 17, 2021 Wed 6:40PM |
Spring Training: Seattle Mariners vs. Los Angeles Angels of Anaheim | |
| Mar 18, 2021 Thu TBA |
Spring Training: San Diego Padres vs. Seattle Mariners | |
| Mar 18, 2021 Thu 1:10PM |
Spring Training: San Diego Padres vs. Oakland Athletics | |
| Mar 19, 2021 Fri 6:40PM |
Spring Training: Seattle Mariners vs. Kansas City Royals (SS) | |
| Mar 19, 2021 Fri 6:40PM |
Spring Training: Seattle Mariners vs. Chicago White Sox | |
| Mar 20, 2021 Sat TBA |
Spring Training: San Diego Padres vs. Oakland Athletics (SS) | |
| Mar 20, 2021 Sat 1:10PM |
Spring Training: San Diego Padres vs. Los Angeles Dodgers | |
| Mar 21, 2021 Sun 1:10PM |
Spring Training: Seattle Mariners vs. San Francisco Giants | |
| Mar 21, 2021 Sun 1:10PM |
Spring Training: San Diego Padres vs. Los Angeles Angels of Anaheim | |
| Mar 22, 2021 Mon TBA |
Spring Training: San Diego Padres vs. Colorado Rockies (SS) | |
| Mar 22, 2021 Mon 6:40PM |
Spring Training: Seattle Mariners vs. Los Angeles Dodgers | |
| Mar 23, 2021 Tue TBA |
Spring Training: San Diego Padres vs. Milwaukee Brewers | |
| Mar 23, 2021 Tue 1:10PM |
Spring Training: San Diego Padres vs. Cincinnati Reds | |
| Mar 24, 2021 Wed 6:40PM |
Spring Training: Seattle Mariners vs. Chicago Cubs | |
| Mar 24, 2021 Wed 6:40PM |
Spring Training: Seattle Mariners vs. Colorado Rockies (SS) |