Cowboys part ways with 6 assistant coaches; Dan Quinn to return

The Dallas Cowboys parted ways with six assistant coaches on Thursday, including former NFL head coach Joe Philbin and Leon Lett, who earned two Pro Bowl nods in 10 seasons as a Cowboys defensive lineman.

In all, the Cowboys announced that Philbin (offensive line coach), Lett (assistant defensive line), Rob Davis (assistant head coach), George Edwards (senior defensive assistant), Skip Peete (running backs) and Kyle Vale