7 p.m. BTN — Big Ten Tournament: Iowa vs. UCLA, Semifinal, Omaha, Neb. ESPNU — Big 12 Tournament: TBD, Championship, Arlington, Texas 8:30 p.m.

The day starts with Formula 1's Monaco Grand Prix on the picturesque Circuit de Monaco at 9 a.m. ET (ABC). Not long after that is IndyCar's 109th Indianapolis 500, and the green flag is set to fly at ...