Novak Djokovic says he would not regard it as a surprise if he wins his battle with Andy Murray and returns to the top of the world rankings just two weeks after surrendering his No 1 status. Djokovics 122-week reign as No 1 was ended by Murrays success at the Paris Masters, but the race to secure first place in the year-end rankings is set for a dramatic conclusion at the ATP World Tour Finals, live on Sky Sports. Highlights of Novak Djokovic against stand-in David Goffin in the round robin stage of the World Tour Finals The Serb reached the semi-finals with three successive victories after defeating Belgiums David Goffin 6-1 6-2 at Londons O2 Arena on Thursday. Djokovic must wait to see who faces in the semi-finals but he goes into the last four knowing his fate is in his own hands, as he is certain to overtake Murray if he wins the Tour Finals for a fifth successive year and record-equalling sixth time. Six months half price Upgrade to Sky Sports to watch Man Utd v Arsenal on Saturday and get the first six months half price That scenario would be the perfect way to round off an unusually inconsistent season for the 29-year-old, who has struggled since winning the Australian and French Opens earlier this year.Asked if he would be surprised to regain the top ranking so soon after losing it, Djokovic said: Well, I have not the same perception of surprise as you do. To me, that wouldnt be a surprise. Andy Murray will be hoping to retain his world No 1 status Djokovic has lost just one match at the Tour Finals since 2012, while Murray has never reached the final.The Scot might not be best placed to hold off Djokovics charge as he will have to play three days in a row following his three-hour marathon win against Nishikori on Wednesday, while his rival benefits from a recovery day. Thats obviously something that you wish for as a player, to have everything in your hands, not to depend on other players, added Djokovic.In this particular case, Im glad that its like that. Everything has been going in a positive direction. Djokovic says players should be given warnings before they are given time violations by umpires Ive been playing better and better as I proceed in the tournament. I have now a day of rest.Its the last couple matches of the year, hopefully. One thing is for sure: Im going to give it all on the court and see what happens.Upgrade to Sky Sports now to watch Man Utd v Arsenal this Saturday and get the first six months half price! Also See: Murray makes O2 semi-finals WATCH: Murrays double take Raonic can only get better Murrays service syndrome over? New Orleans Saints Store . The catch: It needs a lot of money, and it needs it fast. Saints Jerseys China . -- Nathan Pancel scored twice as the Sudbury Wolves defeated the North Bay Battalion 4-2 on Saturday in Ontario Hockey League action. https://www.saintsjerseyssale.com/ . "We have always prided ourselves on the way we play defence. Having two big pieces back is going to be a key for us moving forward for years to come," said Knighthawks head coach Mike Hasen. Saints Jerseys 2021 . While hell be dialed in to that tournament on a course he loves, you can forgive him if his eyes glance down the calendar just a bit, towards April. Saints Jerseys 2020 .Y. -- Sabres defenceman Tyler Myers had no intention of changing his hard-hitting style before taking part in a disciplinary hearing for his illegal check to New Jersey forward Dainius Zubrus head.TORONTO - Nazem Kadri isnt too worried about the state of contract talks with the Toronto Maple Leafs. "Its been good," the restricted free agent said Friday. "I mean, were in conversation and theres still some work to be done, but were talking and thats the most important thing." Kadri spent part of Friday at the Mastercard Centre watching some of the on-ice action as the teams annual prospects camp wrapped up with a pair of practices. The young centre was asked to assess the latest moves made by his team namely the signing of David Clarkson on July 5 and the trade for David Bollaand at the draft.dddddddddddd. "Its always tough to see some of your good friends leave and thats the hardest part about this business, but I do feel like we upgraded bringing in Clarkson, Bolland, just veteran guys that can bring a lot to the dressing room and on the ice." Kadri is excited about the possibility of playing with Clarkson on the teams second line next season. "Hes an agitator that definitely gets under a lot of peoples skin and thats kind of our identity and [coach] Randy [Carlyle] has been building it up and, obviously, want to be that tough team to play against." ' ' '