They can sign him to a 5-year contract with a $30M signing bonus and a first year salary of $1M. Since the signing bonus would be spread across all 5 years it would count $6M against the cap every year. So that would be $31M directly in AD's pocket and only a $7M cap hit in year 1. Just for grins, salary the last 4 years of $25M, $23M, $21M, and $19M. There's 5 years, $119M with no impact on the cap in 2018.
AlbaNY_Ram
