Rodgers, who has struggled to translate the promise he showed as amateur world number one into professional success over the last three years, plundered eight birdies in a seven-under-par 64 at TPC Deere Run in Silvis.
DeChambeau, 23, is known for his revolutionary approach to the game.
Hansen says she's proud to know their hard work throughout the entire year is paying off.
But Rodgers bogeyed No. 14 on Sunday, as well as No. 17 - another hole where birdies were there for the taking.
DeChambeau sank the birdie putt, let out a huge roar and fist pump as he reached 18 under.
Rodgers came oh-so close, but his ball barely missed the hole, giving DeChambeau the win. "Nothing I can do about that", he said. As it neared the cup, it looked as though it would just slide by on the right side of the hole, but it caught the lip, dropped in, and DeChambeau went wild.
Patrick Rodgers took a small step towards living up to the expectations heaped upon him when he tied a Tiger Woods college record by taking a two-stroke halfway lead at the John Deere Classic in IL on Friday.
The other perk of winning was DeChambeau earned a trip to this week's British Open at Royal Birkdale.
American McCarron closed with a six-under-par 66 to claim one of the majors on the Champions Tour by one stroke over Langer, the dominant player on the tour, and Brandt Jobe.
The uncharateristic slip up from the German saw him pipped for the title at Caves Valley Golf Club in Baltimore by American Scott McCarron. Include 2017 runner-up Patrick Rodgers, who also has a bright PGA Tour as he still searches for his first Tour victory, in that group.
Needing birdie on the last to force a playoff, Rodgers was wayward off the tee again.
"I did not have the best first and second rounds", said Park, who opened with 73-70 before storming to the top of the leaderboard in Bedminster with a brace of 67s. That tied the largest deficit the victor has overcome in Senior Players Championship history.
Not bad for just 10 starts as he juggles time on PGA TOUR Champions, the PGA TOUR and his Presidents Cup duties. In 2015, the unconventional former SMU star became the fifth player to win the NCAA individual title and U.S. Amateur in the same year. And he has the $1 million check and two-year exemption to prove it.