What happened: MLB announced the 2027 season will open on March 25, the earliest Opening Day in league history, with the regular season set to conclude Sept. 26. The move comes as the league and players' union continue labor negotiations ahead of a possible lockout.

Why it matters: Setting an early 2027 calendar signals MLB's confidence that a new labor deal gets done without a work stoppage disrupting the schedule. A lockout would upend the March 25 start entirely, so the announcement doubles as a public bet on the negotiations.

What to watch: Watch the labor talks between MLB and the players' union for signs the sides are converging on a deal before any lockout deadline.