Arians slapped Adams' helmet during Tampa Bay's 31-15 win on Sunday.
Arians apparently thought that Adams was going to try to pull Eagles players off the pile following a muffed punt by Philadelphia wideout Jalen Reagor.
ICYMI: Bruce Arians hits Andrew Adams with a left…#PHIvsTB #GoBucs pic.twitter.com/a8r8yx1nCoBrown, stating his ankle injury, said that he was too injured to enter the game, which led to his release
Arians said Brown alluded to his lack of involvement in the offense as his reasoning for not going back into the game, which led to Arians asking Brown to leave the sideline.