He was a walk-on for the football team where he was a scout team member in the 2003 season and saw playing time in the 2004 season, including in ASU's 2004 Sun Bowl victory over Purdue University.
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He earned many titles such as: "Defensive Lineman of the Year" in the Santa Clara Valley League (2000), two-time first-team all-league selection (1999 and 2000), also earned second-team All-Central Coast Section honors behind first-team selection Jared Allen his senior year.
Kyle XY | Kyle | Kyle Lowder | Kyle Hogg | Kyle of Lochalsh | Kyle Killen | Kyle Farnsworth | Kyle Broflovski | Kyle Turley | Kyle Orton | Kyle Minor | Kyle McCulloch | Kyle McCallan | Kyle Lehning | Kyle Korver | Kyle Jarrow | Kyle Hotz | Kyle Field | Kyle Cassidy | Kyle Baker | Billy Kyle | L.B. 'Kyle' Keilman | Kyle Turris | Kyle Sokol | Kyle Sandilands | Kyle Rudolph | Kyle Rayner | Kyle Pruett | Kyle Patrick | Kyle of Sutherland |
Manuwa made his UFC debut against TUF 8 contestant Kyle Kingsbury at UFC on Fuel TV 5, winning after 2 rounds by TKO due to doctor stoppage.