KELLER — Two costly third-quarter turnovers by Keller Central led directly to 10 Flower Mound points and send the visiting Jaguars to a 24-7 victory Saturday at the Keller ISD Athletic Complex.The teams went into the half tied at 7-7 with neither having mustered much offense. Central (0-1) got possession to start the second half and moved to its own 48-yard line. A bad snap on the punt went for a 28-yard loss, giving Flower Mound (1-0) the ball at the Chargers’ 17.Three plays later Andrew Hitscherich connected on a 28- yard field goal to make it 10-7 Jaguars. Central picked up a first down on its next drive, but fumbled the ball away on a missed handoff at its own 34.This time Flower Mound cashed in for seven. The Jaguars’ first two plays of the drive lost 3 yards, but quarterback John Hofmeister, who finished the game 18 of 24 passing for 212 yards, hit Clayton Johnson on a 37-yard touchdown pass for a 17-7 lead with 2:27 to go in the third.The Jaguars’ final touchdown came on LaJohn Williams’ 26-yard run. Flower Mound finished with 290 yards offense. Central’s offense gained just 173 yards. Quarterback Jake McClurg was 12 of 20 passing for 115 yards, including completions of 33, 18, and 14 yards. The teams combined for 24 penalties totaling 145 yards.The Chargers’ touchdown tied the score 7-7 in the second quarter, a 13-play drive that ate seven minutes off the clock with Justin Manuatu scoring from the 2. The big play of the drive was a 33-yard pass from McClurg to Taylor Robinson.Flower Mound grabbed the early lead on the last play of the first quarter. Thomas Jeffries hauled in Hofmeister’s 45-yard pass to the Central 1. After back-to-back penalties, Hofmeister and Jeffries connected on an 11-yard touchdown pass.