Newsmakers

Retained The Washington Nationals announced Tuesday that manager Jim Riggleman will be back after the team increased its win total from 59 to 69 in 2010, which still resulted in a third consecutive last-place finish in the N.L. East. Riggleman signed a two-year deal with the club before last season.

Cleared North Carolina cornerback Kendric Burney has been cleared to play football this weekend against William & Mary after completing a six-game suspension for receiving improper benefits.

• The NCAA overturned an earlier decision that made 6-foot-10 Louisville center Gorgui Dieng, who is from Senegal and spent last season at Huntington (W.Va.) Prep, ineligible because of transcript concerns.

Recovered Track and field phenom Usain Bolt is training again after missing the end of the outdoor track season in Europe because of back problems. Bolt says in a diary entry on the IAAF website that he is 100 percent healthy and looking forward to defending his 100- and 200-meter titles at the 2011 world championships in Daegu, South Korea.

Hired Sports Illustrated reported on its website that the New York Mets selected Sandy Alderson to be their new general manager. Alderson is the former president of the Oakland Athletics and chief executive officer of the San Diego Padres.

• New NCAA President Mark Emmert announced that Julie Roe Lach will replace David Price as the governing body’s vice president of enforcement.

Named With Serena and Venus Williams sidelined by injuries, teenager Coco Vandeweghe is joining Melanie Oudin, Bethanie Mattek-Sands and doubles specialist Liezel Huber on the U.S. team that will face Italy in the Fed Cup final.

Arrested Oklahoma State star wide receiver Justin Blackmon was arrested early Tuesday on a suburban Dallas highway on a misdemeanor DUI complaint and his status with the Cowboys was unclear headed into the final weeks of the season.

Died Baseball historian, author and official scorer for at the New York Yankees and Mets games for decades, Bill Shannon, died in a house fire in West Caldwell, N.J. He was 69.