The accusations were first floated by the New York Daily News, which appears to cite Tweets as evidence, including one from a Cubs writer for the website Baseball Prospectus.
ESPN needs to be *very* careful with opening up their crowd mics. There are absolutely nasty things being said right now towards Heyward.
— Isaac Bennett (@isaaccbennett) April 19, 2016
According to FOX2 Sports Director Martin Kilcoyne, the Cardinals spoke Tuesday with ESPN, Comcast and Fox Sports Midwest and each said there was no evidence of any audio of slurs directed at Heyward, who spurned St. Louis to sign a free agent contract with Chicago in the offseason. Fans clearly greeted Heyward with boos and a smattering of cheers in his at-bats Monday night. He chalked up that reaction Monday to being a sign that fans wish he hadn't left; Tuesday he told reporters he did not hear any slurs.
In talking with reporters prior to Tuesday night's game, Cardinals Manager Mike Matheny bemoaned the speed with which stories can travel, especially when the story is not true.