Sergio Garcia posts a stellar front nine, completely loses it on the back

If we've learned one thing from watching Sergio Garcia over the years, it's that he's capable of falling apart at a moment's notice.

All it takes is a single shot, or putt, for things to go south. And when things start going south ... oh boy, they usually get ugly in a hurry.

Thursday's round at the WGC-Cadillac Championship just happened to be one of those rounds. From the start, it actually looked like Garcia was on to something, as he went out in 5-under 31, leading you to believe he was most likely going to be a contender at Doral.

But in typical Sergio fashion, he came unglued on the back nine, bogeying the 11th, 13th, 14th, 15th, 16th, 17th ... and for good measure, triple-bogeying the 18th to post 8-over 44 on the back nine (75 for the day). Honestly, it looked like a round a good amateur player would definitely be capable of reproducing.

The funny thing is Garcia didn't go nuts after his round or helicopter a club into the lake on the "Blue Monster"; he was open and honest as he spoke to the media for 10 minutes -- 10 minutes! -- about how easy it is to lose confidence in your swing when things start to go downhill.

That was certainly the case on Thursday. The good news for Sergio is that Friday could be the exact opposite; he could go out there and fire a 6-under 66 for all we know. He's capable of doing anything at this point in his career, and that's one of the biggest reasons why he's a must-watch player when he's in the field.

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