Walsh was yellow-carded against Catalans for a tip tackle.
The Australian halfback has received a Grade C dangerous throw charge and faces the tribunal tonight.
“To be fair to Walsh he’s gone in with what would have been a good tackle, he’s started losing control of the tackle and he was going to end up putting the kid in a bad spot so he let go of him and the kid lands on his back,” Cunningham said.
“We’ve had much worse done to us this yearin exactly the same situations and nothing’s happened to the opposing player ,so it’ll be a tall order for him to be up I do believe.
“I think the 10 minutes was sufficient, but yet again Sky TV is judge, jury and executioner.
“It’s no coincidence that one of them’s an ex-Wigan player and we play Wigan next week.
“I’ve never seen at the end of the game how we can highlight one tackle for five or 10 minutes and somebody try and compare it to a tackle where somebody dislocates and need surgery on there shoulder.
“I can’t understand that but then like I said it is an ex-Wigan player, and we are playing Wigan this week and I’m sure it would suit him if Luke Walsh didnt play.”