USC safety Leon McQuay III visited the Texans this week, according to a source not authorized to speak publicly.
McQuay has good size at 6-1, 197 pounds.
McQuay finished his career with 123 tackles, 6 1/2 for losses, five interceptions and 16 passes defended.
As a senior, he was honorable-mention All-Pac 12 and had 50 tackles, four for losses, two interceptions and six passes defended.
McQuay is coming off a hamstring injury and didn't run the 40-yard dash at his Pro Day. He had a 33-inch vertical leap, bench pressed 225 pounds 12 times and posted a 10-2 broad jump.