Chris Johnson’s new goal: Lead the league in rushing

Before the 2010 season, Titans running back Chris Johnson set a goal of 2,500 rushing yards, which would’ve shattered Eric Dickerson’s single-season NFL record. Johnson fell 1,136 yards short. Before the 2011 season, Johnson lowered his goal to 2,000 yards rushing, a total he had surpassed in 2009. But Johnson fell 953 yards short. On…