With their season coming to an abrupt end after getting throttled by the Ravens in their playoff opener, the Chiefs can now look ahead to areas they need to upgrade this offseason. Their lack of receiving weapons was painfully obvious against Baltimore — with added defensive attention shutting down WR Dwayne Bowe, QB Matt Cassel looked completely lost — so it's no surprise that wideout is their No. 1 priority. But that's not the only spot on offense that Kansas City will look to bolster. We're told that the Chiefs' right offensive tackle spot was "a mess" in 2010, so finding a new starter will be imperative. Ryan O'Callaghan, who emerged as a decent option in '09, was hurt and never made a serious impact. Barry Richardson, meanwhile, started all 16 games out of necessity but didn't play at a high level, allowing five sacks. There is a good chance that the team will attempt to find his replacement early on draft weekend.