Gilbert started all 12 games for the Longhorns last season, but found his status as starter in jeopardy after he struggled.
Texas went 5-7 in 2010, its first losing season since 1997.
Gilbert threw 10 touchdowns and 17 interceptions last year, but he'll be working under new offensive coordinator Bryan Harsin, who arrived in Austin this offseason via Boise State.
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