Sorry pal, but I disagree with what you said. Deal with it. Peters had a down year, no doubt, but that's because he missed camp. He is the best lineman on our team and has endless talent and upside.
There's a reason Dockery was cut and Peters is getting an extension. But silly me, I didn't realize that you were qualified to be GM just because you have a keyboard and internet access.
Butler had some injuries but is a better guard than Dockery. And Walker is rather solid, though unspectacular.
You can't compare guards and tackles neither. Not at all.