The Bristol City loanee picked up an ankle injury just four minutes into Saturday's loss and is a major doubt.Johnson is yet to pick up a point since taking charge and Cheltenham have won one of their last 18 games.Cambridge will check on a handful of players before making the trip.Ryan Donaldson and Harrison Dunk are both nursing knocks and will be assessed along with goalkeeper Chris Dunn, who remains a doubt with a groin injury.Liam Hughes continues to struggle with a virus and a return at the weekend looks more likely for the midfielder, while defender Ian Miller has a knee problem.The U's are still awaiting the results of Jordan Chiedozie's Achilles scan so the forward will not be involved on Tuesday night as Richard Money's men look to secure their Football League survival
Source : PA
Source: PA