This weekend on TV, radio
SATURDAY
AUTO RACING
7 a.m. - Formula One: Bahrain Grand Prix qualifying, Speed
Noon - Sprint Cup: Samsung 500 practice, Speed
1 p.m. - Sprint Cup: Samsung 500 final practice, Speed
1:30 p.m. - IndyCar: Grand Prix of St. Petersburg, Ch. 5
3 p.m. - Nationwide: O'Reilly 300, ESPN2
PRO BASEBALL
Noon - Globe Red Sox pregame show, NESN
1:05 p.m. - IL: Indianapolis at Pawtucket, WHJJ (920)
1:07 p.m. - Red Sox at Toronto, NESN, WRKO (680)
1:35 p.m. - EL: Portland at New Britain, WDRC (1360), WBAE (1490)
2:05 p.m. - EL: New Hampshire at Connecticut, WGIR (610), WICH (1310)
3:30 p.m. - Mets at Braves, Ch. 25
MEN'S COLLEGE BASKETBALL
6 p.m. - NCAA Division 1 Final Four: Memphis vs. UCLA, Ch. 4, WRKO (680)
8:30 p.m. - NCAA Division 1 Final Four: North Carolina vs. Kansas, Ch. 4, WRKO (680)
WOMEN'S COLLEGE BASKETBALL
4 p.m. - NIT championship, Marquette vs. Michigan State, CBSCS
PRO BASKETBALL
3 p.m. - Orlando at Cleveland, ESPN
7 p.m. - Celtics at Charlotte, CSN, WEEI (850); Atlanta at Philadelphia, NBATV
GOLF
10 a.m. - European: Open de Portugal (third round), TGC
1 p.m. - Champions: The Cap Cana Championship (second round), TGC
2 p.m. - PGA: Houston Open (third round), Ch. 7
6:30 p.m. - LPGA: Kraft Nabisco Championship (third round), ESPN2
PRO HOCKEY
7 p.m. - Buffalo at Bruins, NESN, WBZ (1030)
7:05 p.m. - AHL: Springfield at Binghamton, WHYN (560); AHL: Worcester at Manchester, WTAG (580); AHL: Providence at Lowell, WLKW (1450), WCAP (980); AHL: Hartford at Portland, WPOP (1410), WJAB (1440)
HORSE RACING
5 p.m. - Wood Memorial and Santa Anita Derby, Ch. 7
COLLEGE LACROSSE
Noon - Cornell at Harvard, CN8; Delaware at Towson, ESPNU
2 p.m. - Georgetown at Fairfield, CN8
4 p.m. - Virginia at North Carolina, ESPNU
6 p.m. - Johns Hopkins at Duke, ESPNU
SOCCER
10 a.m. - Premier: Reading at Newcastle, Fox Soccer
Noon - Premier: Bolton at Aston Villa, Fox Soccer
2:30 p.m. - Italian: Cagliari at AC Milan, Fox Soccer
4:30 p.m. - Italian: Genoa at Roma, Fox Soccer
7:30 p.m. - MLS: Columbus at New York, Fox Soccer
TENNIS
Noon - ATP/WTA:
SUNDAY
AUTO RACING
7 a.m. - Formula One: Bahrain Grand Prix, Speed
1:30 p.m. - Sprint Cup: Samsung 500, Ch. 25, WWZN (1510)
2:30 p.m. - IndyCar: Grand Prix of St. Petersburg, ESPN
COLLEGE BASEBALL
2 p.m. - North Carolina A&T at Bethune-Cookman, ESPNU
PRO BASEBALL
Noon - Globe Red Sox pregame show, NESN
1:05 p.m. - IL: Indianapolis at Pawtucket, WHJJ (920); EL: New Hampshire at Connecticut, WGIR (610), WICH (1310)
1:07 p.m. - Red Sox at Toronto, TBS, NESN, WRKO (680)
1:35 p.m. - EL: Portland at New Britain, WDRC (1360), WBAE (1490)
2:10 p.m. - Houston at Chicago Cubs, WGN
8 p.m. - Chicago White Sox at Detroit, ESPN2, WAMG (890), WLLH (1400)
WOMEN'S COLLEGE BASKETBALL
7 p.m. - NCAA Tournament semifinal, Stanford vs. Connecticut, ESPN
9 p.m. - NCAA Tournament semifinal, LSU vs. Tennessee, ESPN
PRO BASKETBALL
12:30 p.m. - Toronto at Detroit, WAMG (890), WLLH (1400)
1 p.m. - Golden State at New Orleans, Ch. 5
3:30 p.m. - Dallas at Phoenix, Ch. 5; San Antonio at LA Lakers, WAMG (890), WLLH (1440)
7 p.m. - Orlando at New York, NBATV
PRO FOOTBALL
2 p.m. - Arena: Chicago at Orlando, ESPN2
GOLF
10 a.m. - European: Open de Portugal (final round), TGC
1 p.m. - Champions: The Cap Cana Championship (final round), TGC
3 p.m. - PGA: Houston Open (final round), Ch. 7; LPGA: Kraft Nabisco Championship (final round), Ch. 4
PRO HOCKEY
12:30 p.m. - Chicago at Detroit, Ch. 7
4 p.m. - AHL: Lowell at Hartford, WCAP (980), WPOP (1410)
4:05 p.m. - AHL: Manchester at Providence, WGIR (610), WLKW (1450); AHL: Springfield at Worcester, WHYN (560), WTAG (580)
SOCCER
9 a.m. - Italian: Reggina at Fiorentina, Fox Soccer
11 a.m. - FA Cup: Cardiff City at Barnsley, Fox Soccer
2:30 p.m. - Italian: Juventus at Palermo, Fox Soccer
TENNIS
1 p.m. - ATP/WTA: Sony Ericsson Open (men's championship match), Ch. 4 