What happened: Bryan Woo is lined up to start for the Seattle Mariners as they close out their current series. The matchup has yet to get underway, with first pitch still ahead. Woo's outing will set the tone for how Seattle approaches the series' final game.

Why it matters: Seattle sits near the middle of the standings at 38-37 and is looking to steady itself after an uneven recent stretch. A strong start from Woo would help the Mariners stack a positive result as they jockey for position in a tight divisional and Wild Card race.

What to watch: Watch Woo's command early and how deep he can work into the game, with the series outcome hanging on Seattle's pitching.