He's great in keeper leagues but he won't be too valuable in single-seasons. I can't imagine he hits double digits in homers and won't get more than 50 RBI the rest of the season. He will hit about .290 which is quite respectable but he is still young and won't be a fantasy force until 2005 at least.
Oliver Perez watch
3-3, 3.74 ERA, 1.15 WHIP in 10 starts
23 BB, 8 HR and 72 K in 65 IP (9.97 K/9)
2 complete games, 1 shutout