By Hunter Hodies NFL.com has named the best free agent still out there and it’s no surprise that he’s a defensive player. Gregg Rosenthal has safety Tyrann Mathieu at that top spot as it’s been a bit of a surprise that he’s still available. Mathieu may just be taking his time to decide as there’s undoubtedly been strong interest in him. He’s coming off another stellar season with the Kansas City Chiefs after finishing with 76 total tackles (60 sol0), three interceptions, three fumble recoveries, and six passes defended. Mathieu has spent the last three years with the Chiefs after starting his …