Although I may not have missed much -- it looks like only two of the champs came to play. Keegan Bradley and Rory McIlroy are tied for the lead at -4, while Charl Schwartzel languishes back at +3 and Darren Clarke at +6.
I ended up going to the PGA Grand Slam website to find out what happened, and it looks like Keegan was hot early and Rory made up ground late. Keegan went 30-37, Rory 34-33, Charl 34-40, and Darren 38-39.
Of course the final round is today, and I'll try to remember to watch it on TNT from 4-8pm Eastern Time. But if you want a good laugh, go to the website and click on the "Full Leaderboard" link under the scored listed on the right. The Scoring page gives you vital information. I for one am glad to know that the projected cut is the "lowest 44 scores and ties, plus those within 10 strokes of leader".
Apparently someone at the site forgot important info about the tournament as well. I just hope poor Charl and Darren make the cut. ;-)