He attended Atlantic Community High School in Delray Beach, Florida, where he was a teammate of Orlando Franklin and Karnell Hatcher.

[1] As a sophomore in 2010, Hosley recorded 39 tackles, seven pass breakups, and nation leading nine interceptions.

This performance earned him first-team All-American honors from Scout.com and Walter Camp Football Foundation.

[2][3] Hosley was selected with the 94th pick, in the third round of the 2012 NFL draft by the Giants.

[4] He recorded his first interception on September 20, 2012, on a pass by Carolina Panthers quarterback Cam Newton.