Dortmund hold a one-goal advantage heading into the match after their victory in the first leg
Henry Winter is covering Celtic vs Rangers exclusively for The Herald.
A fortnight ago Charlie Marshall was an ordinary point-to-point jockey, competent, clearly a bit underrated, but not rocking any championships and, in that world, best known for being the brother of Izzie Marshall who is in a tight tussle with Gina Andrews for this season’s ladies title.