Complex sentence: His successor, Bill Trumbo, did not come close to equalling the Monson's success, as the Vandals struggled and finished in last place in the Big Sky all three seasons under Trumbo.
Split into simpler sentences: His successor, Bill Trumbo, did not come close to equalling the Monson's success. The Vandals struggled and finished in last place in the Big Sky all three seasons under Trumbo.