BUFFALO, N.Y. -- Hall of Fame quarterback Jim Kelly is expected to undergo surgery following the return of oral cancer. His wife, Jill, says the cancer is aggressive and starting to spread. The 54-year-old former Buffalo Bills star is being treated in New York City. Brother Dan Kelly tells The Associated Press on Tuesday that doctors are leaning toward surgery on Thursday or perhaps April 1. Kellys Buffalo doctors said March 14 the return of the cancer was discovered when he came for follow-up tests after surgery to remove cancerous cells last year. Dan Kelly says his brother is humbled by an outpouring of prayers posted on social media. Jill Kelly has been providing updates on Twitter and her blog. Jim Kelly retired following the 1996 football season. Manuel Lanzini Argentina Jersey . The young man, never lacking confidence, thought he could be really good. Marcos Acuna Jersey . The Marlies centre set up three goals, including the game-winner, as Toronto cruised to a 4-1 victory over the Oklahoma City Barons in American Hockey League action. http://www.argentinasoccerauthentic.com/Lionel-Messi-Copa-America-Jersey/ . Minutes before the final whistle of Sporting Kansas Citys 3-0 victory over a shorthanded Montreal Impact squad on Saturday afternoon, Saputo tweeted: "Our fans deserve better. Lucas Biglia Jersey .Kessy tried to show what he can do playing left wing for the Oilers in 5-0 loss to the Chicago Blackhawks on Sunday in pre-season action. Gonzalo Higuain Argentina Jersey . The 23-year-old from Thornhill, Ont., defeated Germanys Benjamin Becker 6-3, 6-4 on Tuesday in the fourth round of the Sony Open in just 89 minutes.London, England (SportsNetwork.com) - For the third time in four years Novak Djokovic will finish as the No. 1 player in the world. The top-seeded Serbian star blitzed sixth-seeded Tomas Berdych 6-2, 6-2 in 69 minutes in Fridays round-robin action at the season-ending ATP World Tour Finals to secure his top-ranked status. The 27-year-old Djokovic also secured a berth in Saturdays semifinals at the Tour Finals after capturing his round-robin group with a perfect 3-0 record this week. Djokovic is the seventh player to finish as a year-end No. 1 on three occasions, joining Pete Sampras (6), Jimmy Connors and Roger Federer (5), Ivan Lendl and John McEnroe (4), and Rafael Nadal (3). Its an incredible achievement. Being No. 1 in the world is one of the biggest challenges a tennis player can have, said Djokovic. Ive been playing since I was four. I was very fortunate to have very knowledgeable people, people who believed in me, and believed in my talent. The seven-time Grand Slam champion is also only the fourth player -- after Lendl, Federer and Nadal (twice) -- to hold, lose and regain the year-end No. 1 ranking. This is the 11th straight season that the year-end No. 1 ranking has been held by Djokovic (2011-12, 14), Federer (2004-07, 09) or Nadal (2008, 10, 13). The two-time reigning and three-time overall Tour Finals champ Djokovic beat Nadal in last years final here in London and the super Serb has won his last 30 indoor matches. Djokovic spearheaded Group A, which also featured third-seeded Australian Open champion Stan Wawrinka (2-1), Berdych (1-2) and eighth-seeded U.S. Open champ Marin Cilic (0-3). The Wimbledon champ Djokovic will face U.ddddddddddddS. Open runner-up Kei Nishikori in Saturdays first semifinal. Nishikori stunned Djokovic in a semifinal at the U.S. Open in September. The two men have split four career matchups, including two meetings in 2014. The Serb beat the nifty Japanese at the Paris Masters just two weeks ago. Saturdays other semifinal will pit the second-seeded former world No. 1 Federer against his Swiss Davis Cup teammate Wawrinka, who reached the final four here by winning three games against Cilic in the final round-robin match of the week Friday night at The O2. Wawrinka closed out the round-robin stage with a 6-3, 4-6, 6-3 victory over Cilic. This weeks top-four seeds all made it through to the round of four. The two semifinalists from Group B were established on Thursday, when the Tour Finals king Federer (3-0) and the fourth-seeded Nishikori marched on in London. The other players from that group were fifth-seeded Andy Murray (1-2) and seventh-seeded Milos Raonic (0-2), who was replaced by first-alternate David Ferrer (0-1) on Thursday. Ferrer was forced into action on Day 5 when the Canadian slugger Raonic withdrew from the exclusive eight-player event due to a quad injury. The 17-time Grand Slam titlist Federer holds the record for the most titles at this prestigious season-ending tournament with six. Federer will meet his good friend Wawrinka for a 17th time on the ATP circuit seeking a commanding 15th victory. Theyve split a pair of matchups this season, as Wawrinka prevailed in a final at the Monte Carlo Masters and Federer came out on top in a quarterfinal at Wimbledon. ' ' '