When an NFL player joins a new team, he brings a fantasy football mystery with him. In the offseason, coaching staffs talk about what the acquisition brings to the field, but new additions don't always pan out. Fantasy managers have to be careful about flocking to veterans in a different uniform.
Last year, running back Isaiah Crowell signed with the New York Jets after four solid seasons with the Cleveland Browns. Although he had some bright moments suiting up for Gang Green, the 26-year-old found little room to run behind the worst run-blocking offensive line in terms of adjusted line yards (3.