During the final caution of Saturday’s Andy’s Frozen Custard 340 at Texas Motor Speedway crew chief Andrew Overstreet radioed an encouraging message to pole winner Justin Allgaier.“Nothing stops a hungry gator,” said Overstreet, referencing Allgaier’s Little Gator nickname. “Not even the so-called ‘Greatest of All-Time.’”But Kyle Larson, the G.O.A.T Overstreet...