ESPN2 1 PM
WTA Bausch & Lomb Championship Singles Final
The Williams sisters will skip this one, but many other stars will be in Amelia Island, Fla. No. 5 Lindsay Davenport makes her first clay-court appearance since 2000.
ABC 3:30 PM
NBA Playoffs, First Round
The Mavs, T-Wolves and Blazers are watching closely to see where the Lakers finish. The two-time defending champs are the first-round foe nobody wants.
ESPN 8 PM
Rangers at Athletics
Alex Rodriguez, the youngest player to belt 300 homers (he has 303 at age 27), takes aim at Oakland's stellar pitching staff.
PBS 9 PM
Seabiscuit: An American Legend
The 53-minute documentary on the horse's life includes thrilling race footage from the '30s and interviews with Laura Hillenbrand, whose 2001 book helped inspire the film.
ESPN 2:30 PM
UEFA Champions League Quarterfinal, Real Madrid at Manchester United
The second leg of a home-and-home series to determine who goes to the semifinals. Real Madrid dominated 3-1 on April 8, meaning Man U must win by at least two goals at Old Trafford to have a chance to advance.
ESPN2 11:55 AM
107th Boston Marathon
Should Heartbreak Hill be renamed Mount Kenya? A Kenyan has won the men's title II of the past 12 years. Rodgers Rop and Margaret Okayo (far right)—yep, both Kenyans—defend their titles against a group of contenders including blind U.S. runner Maria Runyan.