TOMORROW

MAJOR LEAGUE BASEBALL

St. Louis at Chicago Cubs or Arizona

at Atlanta 1 p.m. WTTG-5, WBFF-45

Toronto at Baltimore 4:30 p.m. i, WNUV-54 [WTNT-570, WBAL-1090, WNAV-1430]

Chicago White Sox at Boston 7 p.m. WGN

Washington at Colorado 8 p.m. WDCA-20 [WWZZ-FM-104.1, WFED-1050, WAGE-1200]

PRESEASON FOOTBALL

Baltimore at Atlanta 7:30 p.m.

NewsChannel 8, Comcast SportsNet (in Baltimore area), WBFF-45 [WJFK-1300]

Washington at Carolina 8 p.m. WUSA-9, Comcast SportsNet (in Washington area) [WJFK-FM-106.7]

SOCCER

Chivas USA at D.C. United 4 p.m. ESPN2 [WMET-1160 (English), WACA-1540 (Spanish)]

Mexican league, Chivas at America (taped)

4 p.m. Telemundo

Mexican league, Altante at Chivas 8 p.m. Telefutura

GOLF

PGA Championship 11 a.m. TNT

PGA Championship 2 p.m.

WUSA-9, WJZ-13

AUTO RACING

NASCAR Busch Series, Zippo 200 2 p.m. WRC-4, WBAL-11

NHRA Nationals qualifying 6 p.m. ESPN2

TENNIS

Masters Series Montreal 1 p.m. ESPN2

Masters Series Montreal 8:30 p.m. ESPN2

J.P. Morgan Chase Open 10:30 p.m. ESPN2

TRACK AND FIELD

World championships (taped) noon

Comcast SportsNet

HORSE RACING

Arlington Million and Beverly D. Stakes

4 p.m. WJLA-7, WMAR-2

GYMNASTICS

U.S. championships (taped) 8 p.m.

WRC-4 WBAL-11

HIGH SCHOOL BASEBALL

All-American Classic 2 p.m.

Comcast SportsNet

LITTLE LEAGUE WORLD SERIES

Regional final 7 p.m. ESPN

Regional final 9 p.m. ESPN

SUNDAY

MAJOR LEAGUE BASEBALL

Arizona at Atlanta 1 p.m. TBS

Toronto at Baltimore 1:30 p.m. i, WNUV-54 [WTEM-980, WBAL-1090, WNAV-1430]

Washington at Colorado 3 p.m. WDCA-20 [WFED-1050, WAGE-1200, WTRI-1520]

St. Louis at Chicago Cubs 8 p.m. ESPN [WTEM-980]

WNBA

Washington at Connecticut 4 p.m.

Comcast SportsNet [WWRC-1260]

GOLF

PGA Championship 11 a.m. TNT

PGA Championship 2 p.m.

WUSA-9, WJZ-13

AUTO RACING

NASCAR Nextel Cup, Sirius Satellite Radio at the Glen 1:30 p.m. WRC-4, WBAL-11 [WTNT-570]

IndyCar, Indy 300 3:30 p.m.

WJLA-7, WMAR-2

NHRA Nationals 7 p.m. ESPN2

SOCCER

Mexican league, Chiapas at San Luis

1 p.m. Univision

Spanish league, Barcelona at Betis 4 p.m. Telemundo

Mexican league, Dorados at Club America

5 p.m. Telefutura

TENNIS

Masters Series Montreal 3 p.m. ESPN2

J.P. Morgan Chase Open 5 p.m. ESPN2

TRACK AND FIELD

World championships (taped) noon

Comcast SportsNet

World championships (taped) 4:30 p.m. i

HORSE RACING

West Virginia Derby 5 p.m. ESPN