It does seem strange that Eric only lasted one year in KC, I've seen a few games that he's played in and he looked to be a good run blocker, but I didn't get a good sense of his pass protection. He's in the upper range of penalties with 8-10 per season over the past few years (6 false starts last year). Maybe KC figured with Albert and Joeckel, they were more than fine...dunno.
Here are a few blurbs I found, does anybody have a good video compilation on him?
The biggest signing could occur on Friday. The Chiefs’ four returning offensive linemen all graded very well as pass blockers. Right tackle Barry Richardson will exit in free agency and take his -39.1 with him. Currently, the Chiefs are wooing
Eric Winson, PFF’s No. 11 overall tackle. If he signs, the Chiefs will have an offensive line that is well above average in protecting the passer.
https://www.profootballfocus.com/blog/2012/03/16/fantasy-free-agent-moves-boost-matt-cassel/
With Miller doing the majority of his rushing from the left side, he’ll go up against one of the better right tackles in the league in
Eric Winston. He’s 25th in the league in
Pass Blocking Efficiency at 95.3 while grading at
+5.2 as a run blocker. Winston has been a good free agent addition that has made the Chiefs one of the better offensive lines in the league. He’ll be charged with cooling a red hot Miller who has graded at
+18.9 in the past two games alone.
https://www.profootballfocus.com/blog/2012/11/23/3tfo-broncos-chiefs-week-12/
Chiefs right tackle
Eric Winston pairs with
Branden Albert to form what could be the best set of tackles in the NFL. Winston has been the better run blocker of the pair, and has allowed just 25 combined pressures in 2012. The matchup clearly favors Winston and his consistent track record (zero negatively graded performances this season), but that is why they play the games.
https://www.profootballfocus.com/blog/2012/12/07/3tfo-chiefs-browns-week-14/