Los Angeles Chargers quarterback Philip Rivers may be 37, but he is coming off of one of the best seasons of his NFL career, as he threw for 4,308 yards, 32 touchdowns and 12 interceptions while completing 68.3 percent of his passes and registering a passer rating of 105.5 en route to a Pro Bowl appearance.

Rivers was even a darkhorse MVP candidate.

But could a decline for the aging signal-caller be coming?

Chargers head coach Anthony Lynn doesn't think so, saying that Rivers is perfectly healthy and seems to get better as he gets older:

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“Knock on wood, he’s been healthy as an ox,” Lynn said, according to Charean Williams of Pro Football Talk. “This guy. . . In 2017, I thought he looked good. In 2018, I thought he looked better. I don’t know what he did, but I told him to do it again. I think going into this year you might see us rest some of our veterans a little bit more than I did last year. Maybe we can finish a little stronger.”

Los Angeles won 12 games this past season and defeated the Baltimore Ravens in the Wild Card Round of the playoffs but then proceeded to get stomped by the New England Patriots in the Divisional Round a week later.

“I think the way he’s playing — he’s going to turn 38 years old [in December] — I think is incredible. I can’t wait to get back out there with him.”

Rivers has spent his entire 15-year NFL career with the Bolts, making eight Pro Bowl appearances along the way.