[1] A native of Miami, Walker attended the city's Northwestern High School, where he played cornerback, punter and goalline receiver for the Bulls, earning honorable mention All-Dade County as a senior.

[2] In his true freshman year at Texas Southern, Walker recorded 22 tackles (17 solo), three interceptions (59 return yards) and a career-best 11 deflected passes.

[3] In his only professional season, Walker played in eight games, with his primary contributions going toward special teams for the Ravens, including two tackles.

[4] On the evening of March 17, 2016, Walker was riding a dirt bike on the street and was fatally injured when he collided with a Ford Escape at an intersection in Liberty City, Florida.

[5] He was transported to Jackson Memorial Hospital in Miami, Florida, in critical condition after sustaining serious head injuries and spending much of the night in surgery.