Running Backs
1. Chris Johnson/Tennessee Titans
2008 1,228 yards, 9 TDs
Johnson didnt crack the end zone the first three games of his rookie season, but still averaged about 90 yards. Four of his next five games were solid (61/2, 168/1, 77/1, 89/1) but then he disappeared (8/0, 64/0, 46/0). He exploded the next two weeks, going 125/2 and 136/1, but only averaged 67 yards his final two games and scored once.
2009 2,006 yards, 14 TDs
Johnsons breakout season didnt start out that gre ....