It's every general manager's nightmare: You draft a player but don't see him develop as fast as you'd hoped. Another team comes along offering a deal that fills a need and wants that kid. You make the deal, and the young player you traded away becomes a star.
The deal might not be so bad if it provides the piece that makes you a champion -- the Calgary Flames (Brett Hull), New York Rangers (Tony Amonte) and Dallas Stars (Jarome Iginla) got the missing pieces to championship teams by dealing away young players who went on to outstanding careers. But the history of the NHL is replete with players who blossomed after a team gave up on them too quickly without getting much, if anything, in return.
Here are seven players whose teams probably wish they'd been a little more patient: