Having tipped them to lose to Galway last weekend, Tomás Ó Sé has changed horses and backed them to end his beloved Kerry's 24-year unbeaten championship record in Killarney on Sunday.
Speaking on RTÉ Radio 1's Morning Ireland, the Kingdom great enthused: "I don’t think I’ve been as excited about a game in long, long time. This will be epic.
"You’re going to Killarney. Kerry have not lost in Championship there in 24 years. That is actually huge for Kerry people, and Kerry players. Mayo are the only team to have beaten them this season, and they’ve done it twice.
"Everyone is talking about the matchups, you know Lee Keegan on Sean Ó’Sé, David Moran on Aidan O’Shea, Chris Barrett on David Clifford... there’s going to be so many things going on here.
"Mayo, as usual, have defied all odds beating Down away, Armagh at home, and Galway in a neutral venue. They’re coming to Killarney baying for blood, and there’s no doubt about it that they will perform. The question is, will Kerry perform? That’s a big question I have.
"They were not impressive in many areas against Cork in the Munster final. Take away the good start, and it could have been a lot closer at the end.
"Will David Moran be fit, will he be able to match Aidan O’Shea? He is key.
Will we get more out of the Kerry forwards, because if you’re being really, really harsh, David Clifford and Stephen O’Brien were the only two that performed against Cork. Kerry are not a bad side, not as bad as they played against Cork, and I expect huge improvements."
He continued: "Look, Mayo defy all logic. They land in Killarney confident. James Horan will want this so badly. I’ve no doubt that Kerry will improve. Their manager and their players are too good not to.
"But I’m going to go for the team that I trust to perform, and that is Mayo. I think they will just about edge it, if Kerry are not at the races in terms of physically and match the intensity. If they do, I think Kerry will win, but I’m going to go with Mayo."
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