The question's at best
Callaway X-22 Tour Irons hypothetical and at worst irrelevent. Professional golfers can only play against who and what's put in front of them.
Granted Tiger would have had a presence and a purpose that would have had most looking for second place prize-money at best but Rocco Mediate has proved with his
Golf Clubs for Sale performance at the US Open, that with firm resolve, talent and a little bit of luck even the journeyman can stay with albeit a wounded Tiger.
Easy to say in retrospect but I doubt even a fully fit Tiger would have
Titleist 910 D2 Driver stayed with Harrington - or even Ian Poulter - in those brutal conditions.
Even Tiger 'stingers' - those low, driven 2-irons in which he specialises when the breeze gets up to around 10 mph - would have still left him too much to do in a
TaylorMade 2009 Rescue fickle 30-40 mph wind. And with a fragile temper and a baying, though knowledgeable, home crowd he'd have been lucky to survive the top 30.