Some of the sports stories The Associated Press is covering Saturday. A full Sports Digest will be sent by about 3 p.m. All times EDT:

- BATON ROUGE, La. - Unbeaten and top-ranked No. 1 Alabama plays perhaps its toughest game yet, facing No. 15 LSU and running back Leonard Fournette. Game starts 8 p.m.

- COLUMBUS, Ohio - No. 9 Nebraska plays a second consecutive ranked Big Ten rival on the road when it takes on No. 6 Ohio State. Another loss for both could end conference and national title hopes. Game starts 8:15 p.m.

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- Other top-five college football games: No. 2 Michigan-Maryland (noon); No. 3 Clemson-Syracuse (3:30 p.m.); No. 4 Washington-California (10:30 p.m.); No. 5 Louisville-Boston College (noon).

- ARCADIA, Calif. - California Chrome tries to cap an undefeated year at the $6 million Breeders' Cup Classic, with 3-year-old colt Arrogate a serious challenger in the 10-horse field at Santa Anita. Post time 8:35 p.m.

- LAS VEGAS - Manny Pacquiao, now a senator in the Philippines, returns to the ring against Jessie Vargas, with a piece of the welterweight title at stake. Pacquiao is aging at 37, as is his appeal. Bout starts about 11:30 p.m.

- PARIS - Andy Murray supplants Novak Djokovic at the top of tennis. He takes the No. 1 ranking for the first time after reaching the Paris Masters final without playing a point. Milos Raonic, his leg ailing, withdraws before the semifinal.

- The Oakland Raiders (6-2) and Denver Broncos (6-2) go head to head in prime time Sunday for first place in the AFC West. The Raiders have not made the playoffs since losing the Super Bowl in early 2003.

- FORT WORTH, Texas - All four Joe Gibbs Racing drivers are still in contention, with only three spots available for the title-deciding race in NASCAR's Chase for the Sprint Cup.

- NEW YORK - Mets outfielder Yoenis Cespdes is expected to opt out of the remainder of his contract, which would pay $47.5 million over two seasons, and become a free agent again.

- LAS VEGAS - Australia's Rod Pampling leads by a stroke entering third round of the Shriners Hospitals for Children Open. The 47-year-old Australian won the last of his two PGA Tour titles in 2006 at Bay Hill.