TENNIS

Sock reaches ATP semifinals, sets up match with Federer

In his tournament debut at the ATP Finals in London, Jack Sock joined Roger Federer in the semifinals.

Sock, the first American to reach the final weekend at the season-ending tournament in since Andy Roddick in 2007, beat Alexander Zverev 6-4, 1-6, 6-4 to advance from his round-robin group on Thursday.

GOLF

PGA: Chris Kirk holed an 18-foot putt for eagle on his final hole for a 9-under 63 and a one-shot lead in the RSM Classic in St. Simons Island, Georgia.

Joel Dahmen was second after a 64.

LPGA: Peiyun Chien of Taiwan and Sarah Jane Smith of Australia opened with bogey-free rounds of 66 to share the CME Group Tour Championship lead by a stroke over Sung Hyun Park in Naples, Florida.

EUROPEAN TOUR: Justin Rose made the best start of the three players looking to become Europe’s top player for 2017 at the season-ending DP World Tour Championship in Dubai with a 6-under 66.

The other two contenders, Tommy Fleetwood and Sergio Garcia, opened with rounds of 73 and 70, respectively.

SOCCER

MLS: Toronto forward Jozy Altidore’s one-game suspension was upheld by an independent Major League Soccer panel, and he will miss the first leg of his team’s Eastern Conference final at Columbus on Tuesday.

Altidore and Sacha Kljestan of the New York Red Bulls were ejected for a halftime confrontation during their playoff match Nov. 5. Kljestan will serve his penalty in the opening game of the 2018 regular season.

CONCACAF: Soccer’s governing body in North and Central America and the Caribbean is following the example set by its European counterpart and establishing a League of Nations competition to replace many exhibition games.

RUNNING

RICHMOND MARATHON: Marathon organizers stripped winners of last weekend’s races of their titles after discovering they were managed by a Russian sports agent whose past doping concerns were chronicled.

The Richmond Times-Dispatch reported three runners – the men’s marathon winner and first- and third-place finishers of the half marathon – were represented by Larisa Mikhaylova, who organizers said used an alias to register the runners.

BOXING

DIES: Fernando “Ferdie” Pacheco, who served as Muhammad Ali’s ringside physician, died at his Miami home. He was 89.

HIGH SCHOOLS

NEW JERSEY: Transgender high school athletes in New Jersey no longer need documentation to support their gender identity.

The New Jersey State Interscholastic Athletic Association approved a policy that allows athletes to simply notify the school administration if they want to change gender.