In 2009, Chris Johnson broke loose for gains of 20-plus yards an average of once every 16 carries, and he was gaining 10 yards or more once every seven carries.
In the first three games of this season, he gained 20-plus yards once every 37.5 carries on average, and 10 yards or more once every 15 carries.
Of Johnson's 75 carries this season, 22 have gone for zero or negative yardage. That's 29 percent. Last season 81 of his 358 carries fell into that category. That's 22.6 percent.
His overall average is 4.0 yards per carry. It was 5.6 in 2009 and 4.9 in 2008.