Don't blame Jake Knapp, but a perfect blanket of rye grass helped make PGA National play too easy in the Cognizant Classic.

Grain in relatively large. Rye has small or medium sized auricles which are not hairy. Leaf sheaths usually are hairy. Blue-green leaf color and leaves are less erect than other small grains.

The once-feared layout has seen all its beautiful brown Bermuda grass buried in a sea of bright green and sticky rye grass. Golfers love to discuss the challenges of playing on Bermuda grass ...