The Miami Marlins (51-55) and the St. Louis Cardinals (55-54) wrap up a 3-game series Wednesday. First pitch from Busch Stadium is scheduled for 7:45 p.m. ET (MLB.TV Free Game of the Day). Let's analyze BetMGM Sportsbook's MLB odds around the Marlins vs. Cardinals odds and make our expert MLB picks and predictions for the best bets.

The Houston Astros are vying for St. Louis Cardinals' Nolan Arenado despite a trade veto from Arenado in the offseason.

Less than a year removed from setting the St. Louis Cardinals’ record for saves in a season, closer Ryan Helsley is expecting to be traded. Helsley has been candid with reporters about his expectations with the trade deadline.

PITCHING PROBABLES: Marlins: Cal Quantrill (3-8, 5.05 ERA, 1.33 WHIP, 74 strikeouts); Cardinals: Miles Mikolas (6-7, 4.94 ERA, 1.30 WHIP, 70 strikeouts)

The Marlins give up four hits as they blank the Cardinals in a 5-0 victory. ESPN BET Sportsbook is owned and operated by PENN Entertainment, Inc. and its subsidiaries ('PENN'). ESPN BET is available in states where PENN is licensed to offer sports wagering.