In the NFL, GMs value draft picks extremely highly.
Moreso, probably, than they should.
This past offseason, Asante Samuel was traded for a 7th round pick. Now, Samuel has his limitations, and is not a particularly strong tackler, but he's one of the better corners in the league. Last season, only Darelle Revis had a better (lower) opposing quarterback passer rating when throwing at him. He's a starter in this league, and a pretty darn good one. He's worth more than a 7th rounder, which on average is a training camp cut or special teams player (if you're lucky).
Brandon Marshall, a Pro-Bowl wide receive, a number one WR in the league and a proven weapon, was traded out of Miami for two third round picks, one in 2012 and one in 2013. The move instantly made Chicago one of the most trendy darkhorse picks for the 2012 season. Marshall has off the field issues, and had a down season in Miami (but still had over 80 catches and 1000 yards), but is a dynamic receiver and one that eve...