The Arizona Diamondbacks will travel to Peoria on Sunday for their third Cactus League matchup, this time against the Seattle Mariners as the "away" team. The first pitch will be at 1:10 p.m. Arizona time. Sunday's game will be broadcast on ESPN 620, and televised by the Mariners' broadcast team as a Free Game of the Day on MLB.TV.

Arizona is fortunate to be the home base of 15 MLB franchises every spring. Here's who they are and where they play.

All Cactus League venues present challenges. For Salt River Fields, map your parking. Some spots can pose a big hurdle in navigating with children.

The Cactus League, with 15 teams playing in 10 stadiums across Arizona, is ready for its 78th year of hosting spring training games. From now until the end of March, the Valley will be packed with baseball fans from all over the world as they descend on ballparks from Glendale to Mesa.

When does Cactus League 2025 start? What's the complete MLB spring training in Arizona schedule? How can I purchase tickets for baseball games?

Major League Baseball is officially back in action, and with Spring Training now underway, it is the perfect time to rank the best and worst baseball caps from the 2025 collection.