Ole Gunnar Solskjaer tormented Bayern Munich once again as the Manchester United manager scored in his club’s 1999 treble winners’ reunion on Sunday. Twenty years after Solskjaer scored the last-gasp winner that helped Alex Ferguson’s side beat Bayern in the Champions League final, the current Manchester United boss joined his old team-mates for a charity match against the Germans at Old Trafford. Solskjaer again started on the bench as he did in the Camp Nou final, but he wasted little time after coming on for Andy Cole, turning home the opener after Dwight Yorke was denied.With Alex Ferguson back in the dugout as manager for the day, there was a feelgood factor in the air at Old Trafford for United’s 5-0 win after a troubled season for the current generation.It was the first time Ferguson, 77, had managed a United team since his retirement in 2013.He sat with ex-England boss Steve McClaren, his assistant 20 years ago.The reunion match, in aid of the Manchester United Foundation, was also the first time Ferguson had been on the pitch since undergoing major surgery after suffering a brain haemorrhage last May.Rolling back the years, David Beckham was firing cross-field balls, Jaap Stam showed…