Muamba entered the field to a standing ovation as he was introduced ahead of Wanderers' defeat against Tottenham.
He told Sky Sports: "I wish I was playing today, obviously my circumstances are not helping at the moment but I'm sure the boys will go out and give their best today.
"This is a special place, the support has been overwhelming and I am just grateful for that.
"I am okay, I am getting stronger every day. I am happy to be back I am just happy to be able to speak to people again and walk freely.
"I am very happy and very excited for today's game and I am happy that I came today."