High schools in Tulsa, Oklahoma have brought on new coaches with the hope of turning around struggling football programs.According to Touchdown Friday Night, Memorial High School has hired Bryce Mack, while Daniel Webster High School has tabbed Josh Calvert as its new coach.Bryce MackMack takes over a Chargers program that hasn’t had a winning season since 2015. Memorial also hasn’t won a game since the 2022 season, when they beat East Central for its only victory that year.In each of the last three seasons, the Chargers have had a 0-10 record.Mack is a young coach on the rise. A 2020 graduate of Chaminade College Preparatory School in West Hills, California, he was a starting linebacker for two seasons at Division II’s Northwestern Oklahoma State.In his senior season at Chaminade, Mack finished with 80 tackles, an interception and a caused fumble.…