By James Cormack Manchester City’s quest to retain the FA Cup continues on Tuesday night as they travel to Luton Town. City overcame their Tottenham Hotspur Stadium hoodoo at the end of January to put their name into the fifth-round hat, where they were drawn against the Premier League newbies. Luton Town, as they have so often against the league’s best this season, pushed City all the way when the two sides met at Kenilworth Road in December, with the visitors winning 2-1. Luton have endured three-straight defeats just after they were building up some momentum, and they weren’t in action at t…