Iowa's Brayden Frazier hit his first career grand slam in the fifth inning in a 13-3 win over Michigan on Tuesday to begin the Big Ten Tournament in Omaha, Nebraska.
Third-seeded Iowa (40-13) advances to the winners' bracket for a game on Thursday. Sixth-seeded Michigan (26-27) plays in the consolation bracket on Wednesday against Illinois (8 p.m., BTN).
Michigan starter Connor O’Halloran (8-6) allowed seven earned runs in five innings and Tito Flores hit a homer for the Wolverines.
O'Halloran fanned seven batters as part of a five-inning line that saw him charged with seven runs on seven hits and two walks.