HOUSTON (AP) - Donovan Williams ran for two scores, Ty Brock threw a touchdown pass and Sam Houston State scored 17 fourth-quarter points to rally to beat Stephen F. Austin 31-20 on Saturday in a game that featured nine turnovers.

The Bearkats (4-3, 3-0 Southland) have won the last nine meetings in the "Battle of the Piney Woods." The rivalry drew 24,008 to NRG Stadium.

Trailing 20-17 after a pick-six by Eli Jones, Brock threw a 45-yard TD pass to Nathan Stewart for the go-ahead score with 6:28 left to play. Royce See recovered a fumble forced by Joseph Walker's sack of Trae Self on the Lumberjacks' next possession and Williams scored six plays later for the Bearkats' insurance TD.

The Lumberjacks (1-5, 1-2) led 10-0 after Josh McGowen's 2-yard TD run and Storm Ruiz's 30-yard field goal.

Williams, 127 yards on 26 carries, scored on a 1-yard run and Noah Smith's 32-yard TD pass to Ife Adeyi put the Bearkats up 14-10 at halftime.

The teams traded field goals before Jones' pick-six gave the Lumberjacks the lead.

Brock was 24 of 42 for 256 yards and three interceptions for the Bearkats. Stewart had six catches for 134 yards. See had nine tackles, forced a fumble, recovered a fumble and had two interceptions.

Self was 28 of 52 for 260 yards with three interceptions for the Lumberjacks, who also lost three fumbles.

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