Diamondbacks starter Ryne Nelson tied a season high with 6 2/3 innings vs. the Giants in his most recent start, with no walks and seven strikeouts.

Arizona starter Eduardo Rodriguez surrendered nine runs (eight earned) in a short outing as the Royals buried the listless Diamondbacks.

The Kansas City Royals (40-47) and the Seattle Mariners (45-41) wrap up a 4-game series Thursday. First pitch from T-Mobile Park is scheduled for 10:10 p.m. ET (MLB.TV Free Game of the Day). Let's analyze BetMGM Sportsbook's MLB odds around the Royals vs. Mariners odds and make our expert MLB picks and predictions for the best bets.