Kyle Larson is currently leading the Cook Out Southern 500 at Darlington, but he couldn’t do it without his pit crew, which includes front tire changer Blaine Anderson. Anderson is a former walk-on football player at Alabama, where he was part of a national championship squad. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! The USA broadcast highlighted Anderson on Sunday night, putting a spotlight on a guy who normally does a lot of the gritty work behind the scenes for one of NASCAR’s best drivers. “Blaine was a football player at Alab…