Free MLB Betting Odds & Picks on the Seattle Mariners vs. Detroit Tigers Thursday night game 3 matchup. The Rangers are -190 home favourites. The over/under is set at 9. Q likes the road team in this one 7-4. The Mariners are not the Rangers and Rick Porcello has done well against them in the past (3-1 in five starts). Hector Noesi on the mound for Seattle Thursday.