As a hitter, his numbers that one year in Boston were right in line with his career numbers. He was awful defensively, but metrics had him in rapid decline the 3 previous seasons.
And it was also only one season, which is more important (and really my entire point - that this whole “can’t handle Boston” thing gets thrown around so quickly). At the time, I couldn’t remember Renteria diving for a single ground ball and playing all year very gingerly. Like he had a mild injury of some soreness, which is hardly uncommon.
But I think people cling to the LaRussa comment, which I always interpreted to mean “Edgar won’t be very good without me, since I’m the only manager who knows how to get anything out of him or any other player.” But then, I’ve always felt LaRussa was a bit of a megalomaniac...