A fairly deep piece on J. C. Tretter from June. http://www.jsonline.com/sports/packers/jc-tretter-hopes-third-seasons-a-charm-b99513182z1-306295751.html At the moment the Green Bay depth chart (http://www.packers.com/team/depth-chart.html) has him as the #2 center.
Former Cornellian Bryan Walters has headed east and left Seattle for Jacksonville. He had a few catches (http://www.nfl.com/gamecenter/2015082255/2015/PRE2/jaguars@giants#menu=gameinfo%7CcontentId%3A0ap3000000514422&tab=analyze&analyze=boxscorehttp://) Saturday night against the DB-depleted NYG.