SCOTTSDALE, Ariz. — Four weeks from now, the PGA Tour's WM Phoenix Open will be underway at TPC Scottsdale. It's going to be the 90th playing of what has become known as the Greenest Show on Grass.

That impressive mark tied the scoring record set by Mark Calcavecchia in 2001. TPC Scottsdale is a ball-striking course requiring players to hit greens in regulation to succeed. Mickelson did just ...