If you just take their Gator careers, Spurrier has the edge, but overall it's Urban without a doubt.
Took over a 2-9 BG, went 8-3 and 9-3
Took over a 5-6 Utah went 10-2 and 12-0
Took over a Gator program with 3 straight 5 loss seasons, won 2 NC, and had three 13-1 seasons in 6 years
Took over a...