Raiders wide receiver Antonio Brown initiated his argument with general manager Mike Mayock at practice on Wednesday and used unsavory language during the exchange, ESPN's Josina Anderson reports.
Sources told Anderson that Brown approached Mayock at practice because he was unhappy over the team fining him. The wide receiver reportedly called Mayock a "cracker" and unloaded several "cuss words" during the spat.
According to Anderson, Mayock attempted to defuse the situation.
"[Mayock] was like, 'I'm cool, I understand your displeasure,'" Anderson reports. "[Mayock] sort of just like...just walked away because he saw it escalate.