Manuel Neuer was facing a race against time in his bid to return between Bayern Munich’s posts for Tuesday’s Champions League match at Arsenal, and the club are also starting to make plans for the future on the goalkeeper position. Neuer has been sidelined for over a fortnight with an adductor injury, missing two Germany friendlies, Bayern’s 2-0 Bundesliga defeat against Borussia Dortmund and the match at Heidenheim later on Saturday. Broadcasters Sky and the Bild newspaper reported that Neuer returned to goalkeeping training on a side pitch on Sunday, but it’s unclear whether he will be avail…