What happened: The Toronto Blue Jays enter at 73-74, two games ahead of Baltimore at 71-76. [Matchup details](https://www.thescore.com/mlb/event/99024).
Why it matters: Each win also hands a postseason competitor a loss, giving both clubs a direct chance to improve their relative position.
By the numbers: Toronto has gone 6-4 over its last 10 games; Baltimore has gone 3-7. The Blue Jays' team ERA is 3.91, compared with the Orioles' 4.15. [Team comparison](https://www.thescore.com/mlb/event/99024).
What to watch: Toronto can reach .500 with an opening win; a Baltimore victory would cut the gap between them to one game.