DENVER — Only one of them can be the greatest.

Peyton Manning could be the one — owner of a record four (and working on five) Most Valuable Player awards, holder of NFL single-season records for passing yards and touchdowns and architect of a career-reviving second act, the likes of which has rarely been seen in any sport.

Tom Brady could also be that man — leader of five Super Bowl teams and winner of three titles, one-time holder of some of the records Manning holds now and author of an undefeated regular season. He also has that 10-4 record against Manning despite constant turnover on his roster and a lack of a star-studded receiving corps.

Manning and Brady will meet Sunday for the 15th time, and the fourth time in the postseason, when the Broncos (14-3) face the Patriots (13-4) in the AFC title game.

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The winner between the top two quarterbacks over an era in which quarterbacks have never been so good will get what could be the last say in the debate over who goes down as the greatest — not so much because of what the win-loss numbers will say but because this could be the last time they meet with the stakes so high.

“I don’t know that there will ever be another rivalry like it, or has been a rivalry like it,” said John Elway, whose own rivalry with Dan Marino was held to only three meetings because of scheduling quirks.

The game will either give Brady a chance to match Joe Montana and Terry Bradshaw for a fourth title or afford Manning the opportunity to win a second ring and become the first QB to win championships with two different teams.

While paying ultimate respect to each other — “I feel like he’s been a better player each year than he was the year before,” Manning said — neither quarterback professes to care much about how their own head-to-head showdowns will define their legacy.

Don’t believe it, says Phil Simms, who admits in retirement that the smile was a little wider after he walked off the field with a win over Roger Staubach or Joe Theismann.

“It’s always personal, no matter what,” Simms said. “It’s part of being a competitor and doing what you do.”

Manning, 37, has thrown for 92 touchdowns since arriving in Denver at the start of the 2012 season, his neck rebuilt from multiple surgeries, his future uncertain because of his weakened throwing arm.

Brady is 36 and, though relatively healthy, he has taken a beating over his career. Some say the Patriots, their roster decimated by injuries, defections and the arrest of Hernandez, got this far on smoke and mirrors this season. How much longer can they hold things together at a championship level?

No guarantees about the future.

“They’re thinking about it during the week,” Simms said. “When they play, they play. But when it’s over, one of them will go, ‘Yep, I got him again.’”

Notes

Former NFL star defensive back Darren Sharper was arrested on suspicion of rape, the Los Angeles Police Department said.

Sharper, 38, was arrested and booked Friday and released on $200,000 bail just before midnight, according to the LAPD. He faces a Feb. 14 court appearance.

• The Tennessee Titans hired UCLA defensive coordinator Lou Spanos as Ken Whisenhunt’s new linebackers coach.