WICHITA FALLS — On its side, Wichita Falls Rider had home field and a three-year history of advancing at least to the regional finals.But Saginaw Boswell had scoring machine Antoine Stevenson and a defensive line that won the battle all night. That proved to be no contest as Stevenson rushed for six touchdowns and the Pioneers walloped Rider, 42-7, in a Class 4A Division II bi-district game at Memorial Stadium.Boswell moves on to face regular-season No. 1 Aledo in the area round.Stevenson, who rushed for 13 touchdowns in the regular season, scored on the opening possession and notched three touchdowns in each half. His scores came on runs of 3, 14, 19, 2, 6 and 1 yards.Stevenson finished with 133 yards on 20 carries with a long run of 36.And while Boswell executed almost flawlessly in short-yardage situations, the Pioneers’ sturdy front line on defense kept Rider from having any success one week after the Raiders’ Carlos Fleeks had gashed playoff-bound Wichita Falls High School for 215 yards and three touchdowns.Fleeks was stuffed early on third and fourth down as Boswell grabbed the momentum. The Rider senior finished with 41 yards on 11 attempts.Boswell led 21-7 at halftime as linebacker Hunter Vaughn picked off a Chase London pass at the 4-yard line just before intermission.London passed for 199 yards but could only find the end zone once.Rider’s best weapon was Davon Allison, who caught eight passes for 168 yards, including a 12-yard touchdown, his 15th scoring catch of the year.Leading 21-7 at halftime Boswell put the game out of reach with a 77-yard touchdown drive.Quarterback Drew Bickell completed 16 of 22 passes for 162 yards.