49ers Vernon Davis needs to step up

Vernon Davis is the old guy on the block for the San Francisco 49ers. The University of Maryland product needs to step up, however, if he wants to remain a member of the 49ers for any time longer than this season.

Davis has struggled with injuries this year and last, but he has also been consistently ineffective — and incredibly ineffective at that. Should he dress and be healthy enough to play on Sunday, Davis will need to step up and show he is worth his paycheck and status.

Davis held out heading into the 2014 regular season in an attempt to boost his income and, somehow, his “brand.” After a poor showing, Davis was a fixture at offseason events throughout 2015, yet remains unable to show…