March really is the happiest time of year.
We all just bore witness to one of the best weekends of college basketball in recent memory, a bracket-busting four-day stretch where upsets felt chalky and chalk felt like an upset.
All the while, spring football practice has kicked into high gear around the country, where now nearly every FBS team is suited up and taking it to the field.
That got us thinking. No player in this year's NCAA Tournament—at least to my knowledge—was a notable college football player, but there is a long history of the two sports overlapping.
NFL stars like Antonio Gates and Jimmy Graham were very good basketball players in college, but the former never played college football and the latter only played one season. They are more fondly remembered for their time on the hardwood than the NCAA gridiron.
But that is not the case for everyone. A number of the greatest college football players have also appeared in March Madness, including two Heisman Trophy winners.
Here are 10 of the best.