DUNCANVILLE — While Arlington’s defense kept the Colts in the game Friday night, it was Duncanville that had the last laugh in a season-opening 32-29 win at Panther Stadium.Duncanville quarterback Michael Myers found receiver Elijah Gates in the left corner of the end zone for a 10-yard game-winning strike with 2:14 left.It was the heart-piercing score that settled a see-saw battle where the lead changed hands five times. Running back Raymond Sheard had 23 carries for 101 yards and two scores. His first score, a 58-yard run up the left side, tied the game at 16 late in the third quarter. His two-yard run in the fourth quarter gave the Colts a 29-25 lead. Duncanville then used some defense of its own to set up the game-winning drive.Arlington’s defense kept them in the game after getting swept up in a quick first-drive strike by Duncanville. After Eric Carrasco connected on a 26-yard field goal to give the Panthers a 3-0 lead, the Colts buckled down. Duncanville punted four times after that and had two turnovers in the first half. A muffed punt early in the second quarter led to a 21-yard touchdown catch by Arlington sophomore Jack Carnes. He broke across busted coverage in the middle for an easy reception and helped cut Duncanville’s lead to 10-6. An interception by junior linebacker Matthew Anunda led to Billy Ticknor’s 25-yard field goal.Duncanville threatened late in the first half, gaining a first and goal at the Arlington 9-yard line with :55 remaining. Nose guard Curtis Foley sacked Duncanville’s Myers three straight times. Arlington quarterback Hunter Collins was 9 of 22 for 96 yards and a score.