Mariners host the Rangers to open 3-game series
Mariners: Luis Castillo (5-7, 3.35 ERA, 1.16 WHIP, 85 strikeouts) BETMGM SPORTSBOOK: LINE Mariners -152, Rangers +128; over/under is 7 runs BOTTOM LINE: The Seattle Mariners begin a three-game series at home against the Texas Rangers on Friday.