Enter Johnathan Hankins, a five-year vet who was signed off the street by general manager Reggie McKenzie. Former Oakland and Las Vegas Raiders DT Johnathan Hankins retiresHankins played a total of 12 years in the NFL, four and a half of which he spent in Oakland and Las Vegas. More respect needs to be put on Johnathan Hankins' name, though. Hankins played for another two and a half seasons in Dallas and for the Seattle Seahawks, playing in 36 games and starting 25 of them. He signed four contracts with the Raiders and was a great run defender and underrated player for seasons on end in Oakland and Las Vegas.