Celtic have not lost any of their three league games with Rangers this season (W2 D1); they last avoided defeat in four Old Firm league derbies in a single season in 2017-18.
Rangers have lost their last three league visits to Celtic, having lost four in a row between February 2011 and September 2016.
Rangers have not lost the Old Firm league final derby in any of the last five Scottish Premiership seasons (W4 D1), the last time they did so was in 2017-18 when they lost 5-0 at Celtic Park.
Celtic have won seven of their last eight home league games (D1), including each of their last four games in a row, scoring more than 3 each time (16 goals – four per game).
Only Motherwell (19) have recovered more points from losing positions in the Scottish Premiership this season than Rangers (14), while the Ibrox team have lost fewer points from winning positions (three).
After losing 2-1 in December, Philippe Clement could be the fifth Rangers manager to lose their first two away games against Celtic, after Jock Wallace, John Greig, Ally McCoist and Steven Gerrard.
