Mariners and Athletics play, winner claims 3-game series
Mariners: Luis Castillo (3-5, 3.35 ERA, 1.12 WHIP, 56 strikeouts) BETMGM SPORTSBOOK: LINE Mariners -242, Athletics +196; over/under is 7 1/2 runs BOTTOM LINE: The Seattle Mariners and Oakland Athletics play on Sunday with the three-game series tied 1-1.