
Walker was regarded as an emerging draft prospect after turning heads at the NFL super regional combine.
The 6-foot-2, 200-pound corner ran the 40-yard dash in 4.42 seconds. He also has a 36 1/2 inch vertical leap, a 10-7 broad jump, a 4.05 short shuttle and a 6.7 three-cone drill.
Last season at Texas Southern, Walker played in every game last season and intercepted four passes. He finished his career with seven interceptions in the last three seasons.