According to the Lafayette Journal & Courier, Bryant, 20, allegedly struck Jermaine L. Reed, 19. Reed was treated for a possible broken nose at St. Elizabeth Medical Center in Lafayette.
Bryant was booked at 5:30 a.m. Monday and spent nearly 12 hours in jail. He was released after posting a $250 bond.
Bryant was Purdue's leading receiver last season with 80 catches for 960 yards and four touchdowns.
He is the fourth member of Purdue's 2005 team to be arrested since the season ended.
Fullback Anthony Heygood and defensive back/punt returner Lance Melvin were arrested in December for an alleged drug law violation; Melvin was subsequently dismissed from the team.
Former Purdue linebacker Kyle Williams faces multiple felony charges of assault following alleged attacks on two women in November. Williams had left the team earlier that month, Purdue officials said.
