Michael “Mike” John Sauer, 72, of Red Bud, passed away at 5:08 a.m. on Sunday, Aug. 24, 2025, at Barnes-Jewish Hospital in St. Louis, Missouri. Mike donated his body to Washington University in St. Louis, Missouri. A memorial Mass will take place at St. John the Baptist Catholic Church in Red Bud in November, with a Celebration of Life gathering following at the American Legion in Prairie du Rocher. Pechacek Funeral Homes in Red Bud is in charge of arrangements.