Last May, Lucas Glover had dropped to 147 in the World Golf Ranking. Glover, 44, wasn’t finding much joy in golf, and his decade-long struggle with the putting yips left him battling just to play on the weekends.

Yet after back-to-back wins in August, the 2009 U.S. Open champion was all the way up to 30th in the world. How did he find his game so quickly?

The resurgence was a combination of making big changes—including a switch to a long putter—and getting back to old fundamentals with his swing. He also started working with a former Navy SEAL turned performance coach.

In this instruction feature, Glover shares his revelations that helped him rise from the ashes. This is how you can get your game back, too.