folks, it may be trendy, but that stuff is true and happens all the time. at the end of 2002, there was a period when isringhausen was getting blasted every time he threw a pitch. a good friend of mine works in the cardinals office, and knows izzy. izzy says there was some subtle head movement he was making that tipped off everyone. even after informed, he said it was difficult to change because the movement was so ingrained into his stretch motion. finally, he did get it straightened out, and proceeded to rock it.
i think tipped pitches may seem like the trendy excuse, but a) it's probably (like everything else) just getting more publicity. and b)that stuff's been going on forever, and players/coaches keep getting better at identifying a pitcher's trademark idiosyncracies.