See my post above....we think a like...
I hope you're not being serious with this list as reasons they should do both sports...
Let's just look at the guys that tried to do it in the 2000s as Erstad, Crawford, and Davison are irrelevant for a variety of reasons but the eras they competed in being the most paramount... Starling never did it, Rands ended up quitting football to concentrate on track, Khiry Cooper transferred from Nebraska, Isaiah Fluellen ran one year at Nebraska...
Not exactly a ringing endorsement...