However, former Chelsea man Kasey Palmer is suspended, after picking up a couple of yellow cards in the competition.
Tatsuhiro Sakamoto remains out, as well, but striker Matty Godden has recovered from a problem.
Speaking to Coventry’s official website, Robins said: “For people who say Manchester United are this and that, and concede a lot of shots, you’re talking about a team that are full of talented top international players, that play at that level every week.
“For us, we know they are clearly favourites to win this game, by a million miles, and they are expected to win. We know that, and what we are likely to encounter, but we have to play a part in the game.
“It will be an interesting game but one we have to enjoy and give everything we possibly can.”
