The Baltimore Ravens will look to sport arguably the best rushing attack in the NFL next season, led by reigning MVP quarterback Lamar Jackson and massive offseason acquisition running back Derrick Henry. In order to do so, head coach John Harbaugh and the Ravens will rely heavily on the success of their offensive line to win the battle of the trenches. Unfortunately, through the early part of training camp, Baltimore has lost the services of guard Ben Cleveland. Cleveland left practice early on Thursday, and while some speculated it might be because of the heat Baltimore is dealing with at tr…