Opening Day for the Diamondbacks' regular season is a night game at Chase Field on March 27 at 7:10 p.m., against the Chicago Cubs. Arizona's opening series is four games against the Cubs from March 27 to March 30, all starting at different times.

In a month's time, pitchers and catchers will report to spring training camps in Arizona and Florida. Soon thereafter, exhibition games will get underway, and before long it'll be Opening Day 2025 (Thursday,

The Orioles will officially kick off their 2025 spring training schedule when pitchers and catchers report Feb. 12.

Pitchers and catchers report to spring training a few days before the rest of their teams, allowing hurlers a bit more time to get their arms stretched out. This year, the Chicago Cubs and Los Angeles Dodgers are playing two regular season games in Tokyo the week before opening day proper,