AUSTIN — After a low-scoring first half, the offenses revved up and Arlington Sam Houston outlasted Manor 27-26 for a season-opening victory.The teams combined for 40 points in the second half, including Michael Foster’s 49-yard touchdown reception in the third quarter.That stood up as the game-winning score after Manor scored with 1:30 remaining and elected to go for two.The Mustangs couldn’t convert and failed to recover the onside kick. Earlier Manor opened the scoring with 49 seconds remaining in the first quarter on a 3-yard touchdown run by quarterback Denzel Feaster, capping a 14-play, 53-yard drive. Manor then botched the extra point, keeping the deficit at 6-0. It was the second failed kick of the half after the Texans blocked a field goal in the first quarter. Sam Houston responded two series later after an interception by Damion Whiteside set up a short field for the offense.Working from the Manor 38-yard line, Sam Houston needed 14 plays, but it took the lead on a 1-yard touchdown run by Peyton Pickett. The Texans added to their lead in the third quarter on a 1-yard touchdown plunge by Deiondre Grundy, but the Mustangs responded 27 seconds later and tied the game at 13.Denzel Feaster set up the touchdown with a 57-yard run down the right side. One play later his younger brother Isiah Feaster, scored on a 17-yard end around. Pickett and Michael Foster then scored on consecutive possessions for Sam Houston, building a brief 27-13 lead before the fourth quarter.