DeCosta: “Anquan’s a Raven”

Ravens receiver Anquan Boldin recently said on Pro Football Talk, “Once a Raven, always a Raven.” Ravens assistant G.M. Eric DeCosta agrees.  “Anquan’s a Raven,” DeCosta said during Thursday’s edition of Pro Football Talk on NBC Sports Network. Boldin has been the subject of speculation regarding a possible parting of the ways, given his $6…