Bill Belichick will open the knowledge vault for Josh McDaniels

The excellent ESPN documentary dubbed The Two Bills includes a moment in which Patriots coach Bill Belichick credits his former mentor, Bill Parcells, with teaching Belichick aspects of the head-coaching job that previously hadn’t been relevant to Belichick’s role as an assistant coach. Belichick apparently will be doing the same for Patriots offensive coordinator Josh McDaniels.

Mike Reiss of ESPN, via WEEI.com, reports that Belichick has promised to open the knowledge vault for McDaniels.

“Bill Belichick said to him, ‘I want you to be by my side. I am going to open my world to you,'” Reiss said. “‘Show you how I view roster building, how I look at financials and the salary cap.’ To…