Ander Herrera has urged his teammates to not look further than the Premier League match vs Fulham. © AFP Ander Herrera has urged Manchester United to maintain their concentration on the task facing them at Fulham this weekend as they head into a month of crunch games. Sunday’s 1-0 win at Leicester extended caretaker manager Ole Gunnar Solskjaer’s unbeaten start to 10 games and saw United move up to fifth place in the Premier League table, just two points adrift of the top four. Next week they face Paris Saint-Germain in the last 16 of the Champions League before a fifth-round FA Cup tie against Chelsea on February 18 which is in turn followed by an Old Trafford clash with Premier League leaders Liverpool, United’s arch-rivals.But before all those fixtures United have the seemingly more straightforward task of a league match away to second-bottom Fulham on Saturday.United midfielder Herrera, however, said: “It will be a big mistake if we think further than Fulham, that’s a massive game for us because (fourth-placed) Chelsea are playing (Manchester) City. Let’s go game by game, because if you lose one game you regret.”Now for Fulham, then we will think about PSG. The best way…