Johnny Manziel tells Shannon Sharpe he dropped from 210 pounds to 170 due to his HEAVY cocaine use in 2015: 'How do you lose 40 pounds? You're on a strict diet of blow'

How did Johnny Manziel drop 40 pounds at age 23?

As the former Cleveland Browns quarterback told retired Denver Broncos tight end Shannon Sharpe, it was a 'strict diet of blow.'