Don Mattingly has not revealed his pitching lineup after the Marlins return from the All-Star break.

But if Wei-Yin Chen takes the mound at Tropicana Field in St. Petersburg to face the Rays, Mattingly’s head should be examined.

Despite receiving the loss in the Marlins’ 2-0 setback to the Phillies on Friday, Chen turned in another strong performance at Marlins Park, whiffing a season-high eight batters while lasting six innings.

His lowered his home ERA in seven starts to 1.83.

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