The Texans conducted a private workout with Florida safety Chauncey Gardner-Johnson, according to a league source not authorized to speak publicly.
Gardner-Johnson ran the 40-yard dash in 4.48 seconds at the NFL scouting combine where he bench pressed 225 pounds 17 times and had a 36-inch vertical leap.
Gardner-Johnson (5-11, 210) pounds declared early for the draft following his junior season.
He recorded 71 tackles, nine for losses, four interceptions, returning two for touchdowns, and three sacks.
He finished his career with 161 tackles, 15 1/2 for losses, four sacks, three touchdowns and nine interceptions.