Manchester City defender Pablo Zabaleta admits he is considering his future, potentially putting an end to his eight-year spell at the club. The 31-year-old was substituted in Manchester Citys 3-0 win against Chelsea last weekend in what was just his 10th league appearance of the season.The Argentina international has been sidelined with knee and medial ligament injuries this season, and has been competing for game time with team-mate Bacary Sagna. As a result, Zabaleta admits he has been considering his future at the club.Speaking exclusively to Sky Sports News HQ, Zabaleta said: He [Sagna] has been outstanding this season.Im so glad for him because hes a great lad, a great player and also hes given me a chance to have some rest thinking about the future. Manchester City defender Bacary Sagna has been playing regularly ahead of Zabaleta this season I have just one more year here [on my contract] and well see what happens at the end of the season. We expect big changes at the club with a new manager coming in.Zabaleta says discussions about his future are likely to happen at the end of the season before he sets off on international duty with Argentina to Copa America.Probably at the end of the season, we have to sit down with the club and decide what will happen, he added. Pep Guardiola will take over as Manchester City manager in the summer My only concern is just thinking about another big tournament in the summer and coming back probably without rest and without pre-season.The best thing for me is just be focused on trying to finish this season in the best way. All the players will have to hear from the new manager and what his new ideas are for next season.Manchester City face Newcastle on Tuesday, live on Sky Sports, and a win would create a three-point gap over fourth-placed Arsenal. Manchester Citys Pablo Zabaleta has suffered with injuries this season Its going to be a really tough game, said Zabaleta. Even if they are not in their best situation so far this season. I think its huge game for them to get three points and move closer to staying up in the Premier League.St James Park is one of the best grounds, I really enjoy playing there, the atmosphere is always fantastic.I want Manchester City to win the game and if we get three points and can finish the season in third or second that would be important thinking about next season.Watch Newcastle v Manchester City on Tuesday night from 7pm on Sky Sports 1 HD. Also See: Kompany, Sterling boost for City Newcastle v Man City preview Pellegrini: Pep news hurt us Newcastles woeful run vs City Devin Hester Youth Jersey . Vaives lawyer Trevor Whiffen claims the former 50-goal man wasnt provided with a copy of the claim beforehand and that he would not have agreed to the allegations made against the NHL had he been asked to review its contents. Dan Hampton Bears Jersey . 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The?Louisville Cardinals?football team?surged to No. 3 in The Associated Press Top 25 on Sunday, matching the best ranking in school history, while?Ohio State moved up to No. 2 behind top-ranked Alabama.The Crimson Tide received 50 first-place votes after coming from 21 points down to win 48-43 at Ole Miss on Saturday. The Buckeyes moved up one spot after an emphatic 45-24 victory at Oklahoma.No team made a bigger climb than Louisville, which jumped seven spots and received six first-place votes after quarterback?Lamar Jackson and the Cardinals beat Florida State 63-20. The Seminoles slid 10 spots to No. 13.The Cardinals were No. 3 most recently on Nov. 5, 2006, during coach Bobby Petrinos first stint with Louisville.Ohio State picked up four first-place votes, and No. 4 Michigan received one.North Dakota State didnt make the rankings but received 74 points after upsetting Iowa, setting a record for points received by an FCS team.Ten FCS teams have received votes in the poll since 2007, when Appalachian States victory against Michigan prompted the AP to declare that voters could include teams playing in what was once called I-AA.North Dakota State, which is 5-0 against Power Five teams since 2010, received votes during each season from 2010-14.dddddddddddd.No. 15 Miami moved up 10 spots after winning 35-10 at Appalachian State. No. 10 Texas A&M jumped seven places after a 29-16 road victory against Auburn. No. 8 Michigan State moved up four spots after beating?Notre Dame?36-28 on the road.Two weeks after vaulting into the poll, Texas dropped 10 spots to No. 21 after losing a wild game at California.No. 23 Ole Miss and No. 25 Oklahoma both stayed in the rankings after dropping to 1-2 on the season. The Rebels, who opened the season with a loss to Florida State, dropped four spots. The Sooners, who lost their opener to No. 6 Houston, fell 11 spots.No. 20 Nebraska is back in the rankings for the first time since Dec. 7, 2014, after beating Oregon 35-32. No. 22 San Diego State is ranked for the first time since 1995, and No. 24 Utah improved to 3-0 after beating San Jose State 34-17 on the road.Iowa, Notre Dame and Oregon dropped out of the poll.The Associated Press contributed to this report. ' ' '