On the air

AUTO RACING

IndyCar, Indianapolis 500, Carb Day, practice, at Indianapolis: 11 a.m., NBC Sports Network IndyCar, Indy Lights Series, Freedom 100, at Indianapolis: 12:30 p.m., NBC Sports Network IndyCar, Indianapolis 500, Carb Day, pit stop challenge, at Indianapolis: 1:30 p.m., NBC Sports Network

COLLEGE SOFTBALL

NCAA Super Regionals, Game 1, Oklahoma vs. Arkansas, at Norman, Okla.: 5 p.m., ESPN2 NCAA Super Regionals, Game 1, Georgia vs. Tennessee, at Athens, Ga.: 5 p.m., ESPNU NCAA Super Regionals, Game 2, Florida vs. Texas A&M, at Gainesville, Fla.: 7 p.m., ESPN2 NCAA Super Regionals, Game 1, Florida State vs. LSU, at Tallahassee, Fla.: 7 p.m., ESPNU NCAA Super Regionals, Game 2, UCLA vs. Arizona, at Los Angeles: 9 p.m., ESPN2 NCAA Super Regionals, Game 1, Washington vs. Alabama, at Seattle: 9 p.m., ESPNU NCAA Super Regionals, Game 2, Oregon vs. Kentucky, at Eugene, Ore.: 11 p.m., ESPN2 NCAA Super Regionals, Game 1, Arizona State vs. South Carolina, at Tempe, Ariz.: 11 p.m., ESPNU

GOLF

European PGA Tour, BMW PGA Championship, second round, at Surrey, England: 5 a.m., The Golf Channel Champions Tour, Senior PGA Championship, second round, at Benton Harbor, Mich.: 1 p.m., The Golf Channel Fort Worth Invitational, second round, at Fort Worth, Texas: 4 p.m., The Golf Channel LPGA Tour, Volvik Championship, second round, at Ann Arbor, Mich. (tape delay): 7 p.m., The Golf Channel

MINOR LEAGUE BASEBALL

Great Lakes at Captains: 6:30 p.m., WINT-AM 1330, WINTFM 101.5

MLB

San Francisco at Chicago Cubs: 2 p.m., MLB Network Houston at Indians: 7 p.m., MLB Network, SportsTime Ohio, WMMS-FM 100.7, WFUN-AM 970

NBA

Playoffs, Eastern Conference finals, Game 6, Boston at Cavaliers: 8:30 p.m., ESPN, WTAM-AM 1100, WLFM-FM 87.7, WZOO-FM 10.5

TRACK AND FIELD

IAAF Diamond League, Prefontaine Classic, at Eugene, Ore.: 10:30 p.m., NBC Sports Network