This weekend on TV, radio

SATURDAY
AUTO RACING
11 a.m. -- NASCAR Nextel Cup: Aaron's 499 pole qualifying, Speed

3 p.m. -- NASCAR Busch Series: Aaron's 312, Ch. 5

6 p.m. -- NASCAR Craftsman Truck Series: O'Reilly Auto Parts 250, Speed

PRO BASEBALL
1 p.m. -- Eastern League: New Hampshire at Portland, WGIR (610), WBAE (1490)

1:05 p.m. -- International League: Buffalo at Pawtucket, WHJJ (920)

3:55 p.m. -- Red Sox at NY Yankees, Ch. 25, WRKO (680)

4:05 p.m. -- Eastern League: New Britain at Connecticut, WICH (1310), WDRC (1360)

7 p.m. -- LA Angels at Chicago White Sox, WGN

8 p.m. -- Atlanta at Colorado, TBS

PRO BASKETBALL
3 p.m. -- Playoffs (first round): Detroit at Orlando, TNT

5:30 p.m. -- Playoff (first round): Cleveland at Washington, TNT

8 p.m. -- Playoffs (first round): San Antonio at Denver, ESPN, WAMG (890), WLLH (1400)

10:30 p.m. -- Playoffs (first round), Houston at Utah, ESPN

BOXING
10 p.m. -- Lightweights: Diaz vs. Freitas, HBO

PRO FOOTBALL
Noon -- NFL draft, ESPN, WAMG (890), WLLH (1400)

8 p.m. -- NFL draft, ESPN2

GOLF
8:30 a.m. -- European: Open de Espana (third round), TGC

1 p.m. -- Nationwide: Henrico County Open (third round), TGC

3 p.m. -- PGA: Byron Nelson Championship (third round), Ch. 4

PRO HOCKEY
3 p.m. -- NHL playoffs (conference semifinals, Game 2): San Jose at Detroit, Ch. 7

7 p.m. -- AHL playoffs (first round, Game 6): Providence at Hartford, WLKW (1450), WPOP (1410); AHL playoffs (first round, Game 6, if necessary ): Manchester at Worcester, WGIR (610), WTAG (580)

8 p.m. -- NHL playoffs (conference semifinals, Game 2): Ottawa at New Jersey, Versus

COLLEGE LACROSSE
1 p.m. -- Syracuse at UMass, WRNX (100.9)

2 p.m. -- Yale at Harvard, CSTV

9 p.m. -- Johns Hopkins at Towson, ESPNU

SOCCER
10 a.m. -- Premier League: Middlesbrough vs. Tottenham, Fox Soccer

10:30 p.m. -- MLS: LA Galaxy at CD Chivas, Fox Soccer

COLLEGE SOFTBALL
4 p.m. -- Tennessee at LSU, ESPN2

TRACK AND FIELD
1 p.m. -- Penn Relays, ESPN2

SUNDAY
AUTO RACING
1:30 p.m. -- NASCAR Nextel Cup: Aaron's 499, Ch. 25

4:30 p.m. -- IRL: Kansas IndyCar 300, ESPN2

PRO BASEBALL
Noon -- Globe Red Sox pregame show, NESN

1 p.m. -- Eastern League: New Hampshire at Portland, WGIR (610), WBAE (1490)

1:05 p.m. -- Red Sox at NY Yankees, NESN, WRKO (680); International League: Buffalo at Pawtucket, WHJJ (920)

2:05 p.m. -- Eastern League: New Britain at Connecticut, WICH (1310), WDRC (1360)

3 p.m. -- Atlanta at Colorado, TBS

8 p.m. -- Chicago Cubs at St. Louis, ESPN, WAMG (890), WLLH (1400)

HIGH SCHOOL BASKETBALL
1 p.m. -- King James Shooting Stars Classic, FSN

PRO BASKETBALL
1 p.m. -- Playoffs (first round): Chicago at Miami, Ch. 5, WAMG (890), WLLH (1400)

3:30 p.m. -- Playoffs (first round): Phoenix at LA Lakers, Ch. 5

7:30 p.m. -- Playoffs (first round): Toronto at New Jersey, TNT

10 p.m. -- Playoffs (first round): Dallas at Golden State, TNT

PRO FOOTBALL
6 a.m. -- NFL Europa: Amsterdam at Berlin, NFL

11 a.m. -- NFL draft, ESPN

Midnight -- NFL Europa: Cologne at Rhein, NFL

GOLF
8:30 a.m. -- European: Open de Espana (final round), TGC

1 p.m. -- Nationwide: Henrico County Open (final round), TGC

3 p.m. -- PGA: Byron Nelson Championship (final round), Ch. 4

PRO HOCKEY
2 p.m. -- NHL playoffs (conference semifinals, Game 2): Buffalo at NY Rangers, Ch. 7

7 p.m. -- AHL playoffs (first round, Game 7, if necessary ): Providence at Hartford, WLKW (1450), WPOP (1410)

8 p.m. -- NHL playoffs (conference semifinals, Game 3): Anaheim at Vancouver, Versus

COLLEGE LACROSSE
Noon -- Patriot League championships, CSTV

2:30 p.m. -- Women: Big East championship, CSTV

SOCCER
3 p.m. -- Revolution at Dallas, Ch. 38, WEEI (850)

9 p.m. -- Italian: Torino vs. AC Milan, Fox Soccer

11 p.m. -- Premier League: Arsenal vs. Fulham, Fox Soccer

COLLEGE SOFTBALL
2 p.m. -- Tennessee at LSU, ESPN2

4:30 p.m. -- Arizona at Stanford, CSTV