Kelechi Osemele joins Jets with new body and chip on his shoulderOsemele did a keto diet that has dropped him under 300 pounds5/4/2019, 1:01 AMJun 12, 2018; Alameda, CA, USA: Oakland Raiders tackle Kelechi Osemele (70) and tackle David Sharpe (71) during minicamp at the Raiders headquarters. Mandatory Credit: Kirby Lee-USA TODAY Sports / Kirby Lee