By Richard Johnson As some college teams prepared to return to their home fields Saturday, crews behind the scenes were fixing turf and recovering goalposts to make sure they were game-ready. As Kendre Miller plunged into the end zone to help TCU earn an overtime victory against Oklahoma State last Saturday, thousands of jubilant fans decided to join him. They hopped over railings in cowboy boots and sundresses, sneakers and flip-flops, making an approximate 7-foot drop onto the Amon G. Carter Stadium field. One fan took his shirt off almost immediately to reveal a perfect Texan farmer’s tan. …