METAIRIE, La. (AP) — Saints defensive tackle Nick Fairley is seeing multiple heart specialists after one physician advised Fairley to stop playing football, Saints coach Sean Payton said Thursday.

“Obviously, there’s concern,” Payton said. “But there isn’t a final answer.”

Payton says he hopes Fairley, who has been absent during recent voluntary offseason practices, can return to the Saints. But the coach said the 29-year-old defensive lineman also should be certain that continuing to play won’t worsen a heart condition he’s had throughout his six-year NFL career.

“The most important thing right now in our mind is his well-being,” Payton said. “To play this game, there’s a little bit of mental toughness involved, obviously. I want to make sure, if in fact he’s playing it, again that he’s playing with full confidence that he’s healthy to play and that nothing severe would come of him playing.”

Fairley, a former Auburn star and 2011 first-round draft choice by Detroit, was one of New Orleans’ top defensive performers last season. He was credited with 6 1/2 sacks, nine tackles for losses and 22 quarterback hits in 2016.

This offseason, Fairley signed a four-year extension worth up to $28 million, but has not participated in any of the club’s voluntary offseason work. Payton said Saints the Saints put Fairley through a physical examination, and that it was a team physician who first suggested that Fairley see a heart specialist.

Payton said Fairley has now seen three specialists. One suggested giving up football, but not all the medical opinions have come back yet.

“We’re hopeful that the news will be good, and yet we’ll just rely on the experts right now,” Payton said. “Certainly, it’s something that we’re not as familiar with. … We’ll keep following up on that and I think clearly in the next couple weeks here we should have a little bit more finality.”

While losing Fairley would be a blow to New Orleans’ defense, Payton said that wasn’t his primary concern.

“There’s two ways to look at it,” Payton said. “The potential bad news is you don’t play football again. The potential good news is you lead a healthy life with the condition that you know you have and treat accordingly.”

New Orleans’ top defensive tackles behind Fairley include Sheldon Rankins, Tyeler Davison and David Onyemata.

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