Did the PGA Tour make its slow-play problem vanish? Probably not. But there's something we can learn from one fast round.

The Cognizant Classic field is a bit more formidable with the addition of three players ranked inside the top 25 in the world, plus the world's No. 1 amateur.

Jordan Spieth has committed at the final hour to compete in the Cognizant Classic on the PGA Tour from 27 February.

Here is the field for the Cognizant Classic in the Palm Beaches, which runs Thursday through Sunday at PGA National.