Michael Phelps defeated training partner Klete Keller by nearly a half-second to win the 200-meter freestyle at the U.S. Summer Nationals last night in Irvine, Calif.

Later, Phelps and Keller joined Club Wolverine teammates Peter Vanderkaay and Chris DeJong for a nearly 21-second victory in the 800-freestyle relay.

Their time of 7 minutes 12.35 seconds set a U.S. Open record. Phelps, Ryan Lochte, Vanderkaay and Keller set the American record of 7:06.58 at last week's world championships.

Phelps led wire-to-wire in the 200 free and touched first in 1:46.40 -- well off his American record of 1:45.20 set last week in Montreal.

* COLLEGE FOOTBALL: Two-time All-Met running back Marcus Mason (Georgetown Prep) has left the Illinois football program by mutual agreement with new Illini coach Ron Zook, following "a violation of team rules," according to an athletic department spokesperson.

A source at Youngstown State said Mason likely will transfer there once his academic record is examined. Mason, the 2002 All-Met Offensive Player of the Year, holds the Maryland high school career records for rushing yards (5,790) and touchdowns (86).

Mason was unavailable to comment. . . .

Westlake running back Aaris Reed has given an oral commitment to play football at North Carolina. The 5-foot-10, 185-pound rising senior led the Wolverines with 1,276 rushing yards and 17 touchdowns last fall. . . .

* OBITUARY: Hunter Kelly, whose battle with a fatal nervous system disease inspired his Hall of Fame father Jim Kelly's charitable works, died yesterday of respiratory failure. He was 8.

Hunter Kelly was given no more than three years to live after he had Krabbe disease diagnosed, an inherited degenerative disorder of the central and peripheral nervous systems. The disease hinders development of the myelin sheath, a fatty covering that protects the brain's nerve fibers.

"He'll never be able to do what daddy did," Kelly said last year. "But he's going to do greater things. He's going to make a difference in kids' lives. He already has."

* COLLEGE BASKETBALL: Bob Knight will give one Texas Tech student the chance to play on his team for the 2006-07 season in a reality show hosted by the Hall of Fame coach.

Sixteen students will attend "Knight School," the name of the show set to air on ESPN in February, and Knight will whittle the class to one during six one-hour episodes. Filming will begin in late September.

* HORSE RACING: Magna Entertainment, the Canadian racing company that owns Laurel Park, Pimlico and 13 other racetracks, lost $26.9 million the fiscal quarter ending June 30. Company President Tom Hodgson called the results "disappointing." Magna, based in Aurora, Ontario, lost $95.6 million in 2004 and $215.1 million in the past 31/2 years.

* GOLF: Jenny Suh of Fairfax lost to Maru Martinez of Venezuela on the 19th hole in the quarterfinals of the U.S. Women's Amateur at Ansley Golf Club in Roswell, Ga.

-- From News Services

and Staff Reports

Texas Tech Coach Bob Knight will star in the reality TV show, "Knight School," which will give 16 students a shot at being a member of the basketball team.