McCray has eight of the Gators' 17 sacks and is within reach of Alex Brown's school season record of 13. McCray is also second among Florida's defensive linemen with 32 tackles.
McCray can return against Vanderbilt on Nov. 8.
The Gators (No. 21 ESPN/USA Today, No. 23 AP) can move into a tie for first place in the SEC East with a win over Georgia in Jacksonville, Fla., on Saturday.
"I feel bad for Bobby," coach Ron Zook said. "Bobby has apologized to the team, the fans and the coaches. It's the old saying: 'If you do the crime, you got to pay the time.' Unfortunately it's at a bad time, but that's the way it is."
Senior Travis Harris, who was converted from linebacker in spring practice, will start for McCray. Harris started the first four games and has 19 tackles, but no sacks.
An even bigger concern is depth at defensive end.
Freshman linebackers Taurean Charles and Brian Crum practiced
sparingly on Thursday, joining two other freshmen, Steven Harris
and MacKenzie Pierre, as backups. The four freshmen have a combined