Jackson may get extension, but Spiller wants to start

Earlier today, MDS pointed out that Bills G.M. Buddy Nix wants to extend the contract of running back Fred Jackson. Running back C.J. Spiller undoubtedly is paying close attention. Per a league source, Spiller wants to be the starter in 2012.  And if he’s not, well, things could get awkward. Spiller got a taste of…