Swedish football great Zlatan Ibrahimovic says he will surprise many by performing better for Manchester United than he did before suffering a serious knee injury earlier this year . The 35 -year - old veteran striker — who defied the critics in scoring 28 goals for United last season , including crucial goals in their Community Shield and League Cup victories — told ‘Inside United ’ he had not let the ligament injury get him down. Ibrahimovic enjoys a good relationship with United manager Jose Mourinho , who maintained contact with him during his rehabilitation , and the Portuguese decided it was worth offering him a new one year contract last month. Mourinho believes Ibrahimovic will offer strong competition to Romelu Lukaku — the Swede could be back in action as early as November — for the striking role , even though the Belgian has begun impressively since his £ 75 million ( $ 97 .6 million , 82 .5 million euros ) move from Everton . “I feel good ,” said Ibrahimovic. “I have...