Getty (Photo by Greg Fiume/Getty Images) The Minnesota Vikings have roughly $13 million in salary cap space, per Over the Cap. As a result, new Vikings general manager Nolan Teasley could make a move to solidify a position he believes remains a weakness for the team. Teasley will have the final say on the 53-man roster, and one potential area for improvement is the pass rush. Minnesota traded away Jonathan Greenard this offseason to the Philadelphia Eagles . Furthermore, signing a veteran pass