Have we forgotten how he didn't wait for United's call and signed for Bolton? Well, Fish is laughing with those Liverpool fans' banter on Twitter.
Here's what he posted ahead of the UCL draw, where LFC got Manchester City in the quarterfinals, while United fans sat out the draw.
So who does Fish support? The answer is in his Tweet below.
Not sure why Liverpool fans are sending me this...I don't support Man United...hahaha pic.twitter.com/QF1U7HFJlx— Mark Fish (@markfish74) March 16, 2018
Once and always...!! pic.twitter.com/OZTdoxHZPx— Mark Fish (@markfish74) March 16, 2018