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 Ray Allen Jersey . -- Washington Redskins tight end Fred Davis was charged Thursday with driving while intoxicated, a day after he was suspended for an NFL substance-abuse policy violation. Giannis Antetokounmpo Bucks Jersey . 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Six months half price Upgrade to Sky Sports to watch Man Utd v Arsenal on Saturday and get first six months half price Despite pressure from Fraser Forster and Tom Heaton, Hart kept his place in Sam Allardyces sole game in charge and the 29-year-old revealed a chat with interim boss Gareth Southgate ended with him being told he was a much better player when staying calm and composed. Im always trying to learn and adapt, Hart said when asked if he was getting too pumped up.Obviously the Euros wasnt my finest hour, so I needed to have a think and pick apart how I played and what I did, and maybe change a few things, speaking to the people who count and seeking advice. Even with Gareth, we spoke about it. Andy Burton and Nick Collins look ahead to Englands friendly against Spain on Tuesday You find a way.dddddddddddd Ive got a lot of energy, a lot of passion. Questionably it could have been too much. But there are ways of channelling that. Im constantly changing and evolving, trying to be the best I can be. Learning from things that didnt go too well is definitely a way of doing that. Gareth Southgate confirms Jordan Henderson will captain England against Spain on Tuesday Theres nothing wrong with (being) positive, being passionate and proud of your country is definitely a positive. But theres different way of channelling it. Ive looked into that, and hopefully it will help.Upgrade to Sky Sports now to watch Man Utd v Arsenal this Saturday and get the first six months half price! Also See: Rooney out of England squad Henderson to captain England England should beat Spain Dembele double ends England run ' ' '