Del Rio’s injury is expected to sideline him for two to three weeks, according to the report.
After Saturday’s game in Knoxville, the Gators (3-0, 1-0 in the SEC) travel to Vanderbilt on Oct. 1 and then host LSU on Oct. 8.
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Austin Appleby, a graduate transfer from Purdue, will start against Tennessee. He was 2-for-4 passing for 30 yards Saturday after replacing Del Rio, who took a low hit in the third quarter that drew a personal foul penalty and sent Florida coach Jim McElwain into a rage.
Del Rio has completed 62 of 101 passes for 762 yards and six touchdowns with two interceptions.
