With regard to Citi Field's dimensions, according to a New York Times article:
The left-field foul pole stands a relatively enticing 335 feet from home plate, but the distance to left-center jumps to 379 with a 15-foot wall. A 16-foot wall guards a sliver of straightaway center, which is 408 feet away, and right-center field measures 383 feet before angling in to 330 down the right-field line. The deepest part of the park, a nook in right-center, is 414 feet from home.In comparison, the Times article reported that Shea Stadium, the Mets former home, "had a symmetrical outfield, where center field was 410 feet from home plate, the gaps were 378 feet and the left- and right-field lines measured 338."
For right-handed batters like Wright and Bay, the fact that the height of the left-center fence is 15 feet is not good news. Hopefully, before the 2010 season begins, the Mets will have enough sense to lower that fence's height.