Video: Kostis Analyzing Tiger's Subtle Swing Changes

Instructor Mitchell Spearman penned a guest commentary for ESPN.com with the help of Farrell Evans and and after watching early in the week, said he didn't like what he saw of Tiger's swing.

He looked fit and strong as ever, but his swing was not that familiar Tiger-esque motion. It was shorter, he was moving his head off the ball to the right. His transition was rushed, and his upper body was hanging back on the downswing.

Most of all, he was holding on to his angle way too long prior to impact.

CBS's Peter Kostis was kinder, noting "very subtle" changes in Tiger's swing. From the third round telecast of the Quicken Loans National: