SOUTHLAKE — Euless Trinity entered its Class 5A bi-district matchup with Coppell on the heels of a district championship and featuring one of the top recruits in the county, but the Cowboys, the fourth-place team in District 5-5A, made the plays they needed to in order to pull of a 47-43 upset Tuesday at Carroll High School.“We did a really good job of making them earn every single thing they got,” Coppell coach Kit Pehl said. “We’re tough and resilient. Our defense will keep us in games, and that’s what we managed to do.”The score was tied 31-31 to start the fourth quarter, and Coppell (22-12) surged ahead with an 8-2 run. Trailing 39-33 with 1:05 left, Trinity (25-6) resorted to fouling. The Cowboys failed on several free-throw attempts, and freshman Jhivvan Jackson, who hadn’t scored all night, netted seven points in the final minute to pull the Trojans within 43-42.McDonald’s All-American Myles Turner stepped to the line trailing 45-42 with 5 seconds left. He made his first attempt, but a lane violation turned the ball over to Coppell. Brandon Watson hit both free throws to seal the Cowboys’ victory.“We would get a lead and we would rush a shot, or take a bad one, or have a turnover,” Trinity coach Mark Villines said. “I never dreamed it would have been nerves, but maybe it was. We did some things uncharacteristic for us.”Turner scored 13 points, just one in the fourth quarter, and had nine rebounds and six blocks. Adrian Wong led the Trojans with 17 points.Landon Goesling paced Coppell with 11 points. Goesling scored the first five points of the game, and Josh Fink added four off the bench to spark the Cowboys’ 9-0 run to open the game. Trinity didn’t get on the scoreboard until 2:01 left in the first quarter and trailed 13-3 before finding its offensive rhythm.Wong and Myles converted consecutive three-point plays to bring the Trojans within 13-9 at the end of the first quarter. Wong then scored the first five points of the second period and gave Trinity its first lead at 14-13.Turner hit a 3-pointer to give the Trojans their biggest lead of the half at 23-15. Cody Carver’s bucket ended Trinity’s 20-2 run and started a 9-0 run for the Cowboys that culminated in Goesling’s long-range 3-pointer at the buzzer to give Coppell a 24-23 lead at halftime.