He was an awesome running back, and a star of the unstoppable '83 offense. Ran the draw trap better than anyone.
Bit of Tiumalu trivia. He was a replacement player in the '87 strike season for the Rams, where his teammates included Kyle and Cary Whittingham (Fred Sr. was a coach), Heisman winner Charles White, Death Row Records founder Suge Knight, and "Necessary Roughness" actor Navy Tuiasosopo.