All invited to cheer on Pioneer High students as they play a friendly exhibition match to benefit patients at U-M’s pediatric critical care program. ECMO (Extracorporeal Membrane Oxygenation) is an advanced life-support machine that saved now 15-year-old Pioneer High soccer player Deedler’s life. Noon, Pioneer High School Hollway Field, 601 W. Stadium at Main. $5 cash at the gate.