INDIANAPOLIS (AP) -- San Diego scored three straight touchdowns to open Saturday's game against Butler and kept the Bulldogs out of the end zone until the final seconds of a 56-9 win.
Butler (4-1, 0-1) was off to its best start since 1991. But the Bulldogs entered halftime of their homecoming game and Pioneer Football League opener down 42-3.
San Diego quarterback Josh Johnson threw five touchdown passes in the opening half, with three going to receiver John Matthews.
Johnson tossed another touchdown in the third quarter. For the game, he completed 25 of 30 passes for 406 yards. Matthews had six catches for 122 yards.
San Diego (4-0, 1-0) overcame 10 penalties and totaled more than 600 yards in offense.
Butler's lone touchdown came on a six-yard run by sophomore quarterback Matt Kobli with 16 seconds left.