St. Clair’s defense recovered four fumbles, the offense piled up 300 yards in the first half and the special teams even chipped in with a touchdown.
Sullivan jumped out to a 12-0 lead in the first quarter of Friday's Week 3 contest against Union, but were unable to finish.
Sullivan's volleyball team fell 21-25, 25-10, 23-25 in their season opener at Waynesville on Tuesday.
For the second time in as many days, Sullivan finished off an opponent with a walk-off win.
Sullivan got home runs from Morgan Bobbitt, Abbey Daniel and Hannah Cox, Addison Purvis struck out 10 and threw four no-hit innings and Sullivan coasted to a 17-0 win over St.