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

- MOSCOW - In an effort to avoid a ban from track and field, Russia offers ''broad cooperation'' on doping reforms, including the creation of a new anti-doping agency.

- Daniel Murphy and Marco Estrada are among baseball's 20 free agents facing a 5 p.m. EST deadline to accept $15.8 million qualifying offers.

More from FoxSports

- Two key college football games Saturday: No. 3 Alabama plays at No. 20 Mississippi State, and No. 4 Baylor is home against No. 12 Oklahoma.

- The Heisman Trophy race gets real now, with Alabama tailback Derrick Henry surging toward the front of the pack.

- College basketball opens in full, with No. 1 North Carolina facing Temple (7 p.m.); No. 2 Kentucky playing Albany (N.Y.), 7 p.m.; and defending champion and No. 5 Duke taking on Siena (7 p.m.).

- COLUMBIA, S.C. - The No. 2 South Carolina women aren't easing way into the basketball season, opening against No. 6 Ohio State. Game starts 7 p.m.

- NEW YORK - The Cleveland Cavaliers go for their eighth straight victory when they visit the New York Knicks in the second meeting between the teams this season. Game starts 7:30 p.m.

- CHARLOTTE, N.C. - The Carolina Panthers want more than just a three-peat as NFC South champions. Midway through the season, they are intent on home-field advantage throughout the NFC playoffs.

- ORCHARD PARK, N.Y. - The Buffalo Bills, coming off a 22-17 win over the Jets on Thursday night, are suddenly showing signs of being a bona fide contender.

- ST. LOUIS - The U.S. soccer team opens World Cup qualifying against 129th-ranked St. Vincent and the Grenadines. Game starts 7:10 p.m.

- BUENOS AIRES, Argentina - With the showdown pushed back a day by torrential rain, Brazil and Argentina meet in a South American World Cup qualifier. Game starts 7 p.m.

- MINNEAPOLIS - Michael Phelps swims the 200-meter butterfly and Katie Ledecky races the 400-meter freestyle in Arena Pro Swim Series, a test for U.S. Olympic hopefuls. Event starts at 8 p.m.

- PLAYA DEL CARMEN, Mexico - Justin Leonard is part of four-way tie for lead going into the second round in the PGA Tour's OHL Classic.

- MEXICO CITY - Inbee Park is in front by a shot entering the second round of LPGA Tour's Lorena Ochoa Invitational.