It's not "my opinion." It's the consensus held by everyone who has ever taken a scientfic look at the subject.
Clutch hitting IS A MYTH.
Harold Brooks of SABR in his ground-breaking study of the subject: "Clutch hitting, as presently defined, is a mirage at best."
Math professor David Grabiner, who studied the subject in great detail: "I still don't have evidence that clutch hitters exist, and if they do, they cannot be very important." Grabiner's methods and conclusions are at
<a href="http://www.baseball1.com/bb-data/grabiner/fullclutch.html" target="_blank">http://www.baseball1.com/bb-data/grabiner/fullclutch.html</a>
The Man Himself, the great Bill James on the myth on clutch hitting: "I have yet to find anything to indicate that there is a group of people who hit better in the clutch than others."
There's an elaborate Bill James discussion of the subject at <a href="http://www.cfmc.com/adamb/sabr/inout.htm" target="_blank">http://www.cfmc.com/adamb/sabr/inout.htm</a>
To quote Rob Neyer, the famous baseball columnist who was once Bill James' research assistant, "If you look, really look at the 'evidence' of clutch hitting as a true ability rather than happenstance, you find out that, at best, it's a bunch of blurry photos, in the form of poorly constructed studies presented by people who desperately want to believe." Neyer wrote a brilliant and detailed column on the subject. It's at:
<a href="http://www.diamond-mind.com/articles/neyerclutch.htm" target="_blank">http://www.diamond-mind.com/articles/neyerclutch.htm</a>
Clutch hitting IS A MYTH. It is an article of faith only among those who do not know any better. It is a ludicrous belief on a par with Little Green Men, the moon being made of cheese, Elvis being alive and working on road crews, and there being a Loch Ness Monster.