The question of DeMarco Murray and Dez Bryant staying in Dallas could end up a tough choice between the NFL rushing leader or the league's highest-scoring receiver. Cowboys owner Jerry Jones seems to be leaning the fiscally responsible way. ''Let me put it like this: It's going to be a challenge,'' Jones said of re-signing both of Dallas' biggest potential free agents. Yes.'' There was a time in Jones' quarter century of owning the Cowboys that anything was possible with his biggest stars, even in the salary-cap era. More...