Rodney Gunter will retire from the NFL after being diagnosed with a severe heart condition that could require surgery.

Gunter said doctors told him he was at risk of rupturing or tearing his aorta if he continued to play football.

"These last three weeks have been a hard pill to swallow," Gunter said in a statement. "Seeing my dreams vanish right in front of me has been extremely difficult. After seeing several heart specialists I was told if I continue to play ball with my condition, I could possibly rupture or tear my aorta which is enlarged. This can cause sudden death or a severe stroke.

"There is a 50-50 chance that surgery will fix my current health condition. But at the moment, I do not meet the criteria to undergo the operation. Those who qualify must have 5.5+ cm enlarged aorta, while mine measures 5.0 cm. At this time, I cannot play or have the surgery so I must wait. So at this moment, the best choice for me and my family is to walk away from this game.

"I appreciate the Jaguars for giving me an opportunity, and I'm thankful for everyone who has believed in me along the way. Thank you!"