“I’m in brother,” Martin replied with a fist-pumping emoji. Antonio Brown asks Mark Martin for help becoming a NASCAR driver Antonio Brown of the Tampa Bay Buccaneers warms up in a game ...

A warrant has been issued for the arrest of former NFL receiver Antonio Brown. On a charge of attempted murder with a firearm. That hasn't stopped him from posting on social media. Or, as one of his social-media posts demonstrates, riding a bike.