Marrone could be trying to lure Carmichael to Buffalo

Quietly, the contract of Saints offensive coordinator Pete Carmichael, Jr. is expiring.  Adam Schefter of ESPN reported several days ago that both Carmichael and offensive line coach Aaron Kromer will soon be free agents, absent new deals. Now with former Saints offensive coordinator Doug Marrone, who worked for the Saints from 2006 through 2008, running…