NFL.com has been running a series about players "making the leap" in 2015. It is either a move from anonymity to become a quality player or a known player leaping to stardom.
In this series, two Arizona Cardinals players make the list at No. 5 and No. 6 -- safety Tyrann Mathieu and receiver John Brown.
In both cases, the belief is both will be come stars.
The piece focusing on Mathieu cites many of the offseason quotes we have already heard -- how he looks like he did when he was a rookie, he is running and cutting better, how he is "flying around" in practice.