Yup, i followed him around the Lasalle Bank Open last year than he won.
Chris plays cross-handed on everything from 100 yards on it.
If you saw any of the stats this week you will see that he was like 1 for 6 in sand saves which he always struggles with. You can see it's partially because of the flat left wrist.
It's "harder" to properly "bounce" through the sand if you don't allow the left wrist to break a little.
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I'm not a TGM or PGA certified Pro, but I did stay at a Holiday Inn Express last night