LONDON — Novak Djokovic finished his spectacular season by losing more matches in three days than he did in the first seven months of the year, earning the top-ranked Serb an early exit in the ATP World Tour Finals.

After winning three Grand Slam titles and seizing the No. 1 ranking from Rafael Nadal before having the last few months derailed by injuries, Djokovic had simply run out of energy coming into the season-ending tournament.

Busch hit with $50,000 fineCHARLOTTE, N.C. — NASCAR fined Kurt Busch $50,000 for his poor behavior during the Sprint Cup finale last weekend at Homestead-Miami Speedway.NASCAR cited both an obscene gesture Busch made inside his car and him being verbally abusive to a reporter in fining the 2004 Cup champion.

McIlroy, McDowell with 2-stroke leadHAINAN, China — Rory McIlroy and Graeme McDowell will head into the final round of the World Cup with a two-stroke lead after a convincing performance for Ireland in the fourballs on Saturday.The Irish duo hit eight birdies to finish the third round with an 8-under 64, and a 21-under total of 195 at the Mission Hills complex.

Kim shoots 67 to lead WatsonCOOLUM, Australia — K.T. Kim played steadily over the back nine while other challengers fell around him, shooting a bogey-free 5-under 67 Saturday to take a one-stroke lead over Bubba Watson into the final round of the Australian PGA.Kim, who played for the losing International side at the Presidents Cup at Royal Melbourne last week, had a 54-hole total of 13-under 203 at the Hyatt Regency resort course.

PGA pro Lewis dead at 103WYNCOTE, Pa. — Joseph “Bud” Lewis, the golf professional who was the longest serving and oldest living member of the PGA of America, has died. He was 103.The Shelly Funeral Home said Lewis died Tuesday of natural causes.With Lewis’ death, the PGA of America said Samuel Henry “Errie” Ball of Stuart, Fla., is the oldest living PGA of America member. Ball is 101.Lewis became a PGA member in May 1931 and was the first to reach 80 years of membership.

Syracuse coach’s home searchedSYRACUSE, N.Y. — Authorities involved in a sexual-abuse investigation of Syracuse University assistant basketball coach Bernie Fine carried out a search at his home Friday but declined to comment on what they were looking for.New York State Police spokesman Jack Keller said troopers were called to assist the U.S. attorney’s office at the search. Assistant U.S. Attorney William Pericak said he “can’t confirm or deny” an investigation.