Nobody really knew he wasn't at his peak anymore though. He was 29 and he'd just scored 28 goals that season for Milan, including being the top scorer in the CL. Had won the CL, had won the Balon D'or etc.
After Shevchenko you're looking at Ozil, Ballack and probably Veron. Then maybe the likes of Barthez, Desailly, Bergkamp and Deschamps. Really not many established world class players have joined the Premier League