Several MLB teams have seen unexpected standout performances this season, with players emerging as hidden gems. The Houston Astros' Ronel Blanco has been pivotal, boasting a 2.99 ERA and compensating for Justin Verlander's injury. For the San Francisco Giants, Joey Bart found new life with the Pittsburgh Pirates, hitting .267 with 13 home runs. The Milwaukee Brewers' rookie Tobias Myers has impressed with a 2.93 ERA, while the Philadelphia Phillies' Jeff Hoffman has a remarkable 1.79 ERA as a reliever. The New York Mets' Mark Vientos has solidified his role at third base, and the Kansas City Royals' Alec Marsh has significantly lowered his ERA, contributing to their surprising success.