Justin Jackson has officially signed his rookie contract with the Los Angeles Chargers! - - - - - #B1GCats #justinjackson #claythorson #gounu #USA #cfboffseason #northwesternfootball #gonu #northwesternwildcats #northwestern #purplepride #footballofseason #evanston #chicago #ryanfield #football #college #cfbplayoff #offseason #thewildcatway #dominate #win #gocats #B1GFootball #mcbowlchamps2017 #northwesternsports #nu #northwesternuniversity #ryanfieldhouse #nfldraft