The big derby day is nearly upon us. Celtic face off against Rangers on Saturday knowing a victory will put them on the brink of a third successive Scottish Premiership title. The Bhoys currently sit three points ahead of the second-placed side with just three games remaining. That context makes this one of the most important derbies in recent memory and, understandably, Celtic are favourites to come out on top. Brendan Rodgers’ side haven’t been beaten by Rangers this season, winning home and away in the early part of the season before drawing at Ibrox last month. Celtic look strong and confi…