CHICAGO (AP) - Major League Baseball is investigating a racist message sent to Chicago Cubs reliever Carl Edwards Jr. on social media this month.

Theo Epstein, the president of baseball operations for the Cubs, calls the language "reprehensible" and says it "cannot be tolerated in our game or society." He says the team supports Major League Baseball's effort "to identify the person responsible." The Athletic first reported the investigation.

Edwards was optioned to Triple-A Iowa after he had trouble with his motion and got off to a tough start this season. The 27-year-old right-hander went 3-2 with a career-low 2.60 ERA in 58 games last year.

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