Boston Celtics head coach Joe Mazzulla has once again shown that he leads from a Christian perspective after being seen in a t-shirt reading, “But First Let Me Thank God,” as his team celebrated their NBA Finals win on Monday night.Mazzulla helped lead the team to its 18th championship on Monday. Still, throughout his tenure as the team’s head coach, he has not shied away from celebrating his deep Catholic faith along with his basketball expertise. The Celtics beat the Dallas Mavericks 106-88 as they played in Boston to best the Mavs in four out of five during the NBA...