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.

The Kansas City Royals take on the Seattle Mariners tonight in the third installment of this year’s Battle for Grass Creek. They split the first two games with the winning team plating six in each of them. A victory tonight would secure at least a split in this rare four-game series.

Preview the July 3 matchup between the Seattle Mariners and Kansas City Royals with odds over/under, game spread, betting lines and more.

A gambling investigation has been opened into Cleveland Guardians starter Luis Ortiz, in part to a pitch he threw during a game earlier this season against the Mariners.

The Seattle Mariners are right in the middle of a gambling investigation by Major League Baseball. They were the team opposing Guardians right-handed pitcher Luis Ortiz when his action in an MLB game was first flagged.

"The Guardians have been notified by Major League Baseball that Luis Ortiz has been placed on leave per an agreement with t