Steven Gerrard faces several key calls ahead of his side's clash with Livingston on Wednesday night.With skipper James Tavernier still out and stand-in Leon Balogun a major doubt after injuring his quad against Royal Antwerp, Nathan Patterson looks set to start for Rangers at right-back despite facing an SFA ban for breaking Covid rules.Kemar Roofe and Ryan Jack remain out alongside long-term knee casualty Nikola Katic, but Jermain Defoe returns after sitting out the European action.Livingston