Chris Johnson #28 of the Tennessee Titans watches from the...

Chris Johnson #28 of the Tennessee Titans watches from the sidelines during the second half of a preseason game against the Arizona Cardinals. (Aug. 23, 2010) Credit: Getty Images

Titans running back Chris Johnson rushed for a career-high 2,006 yards last year, and believes he can do even better this year.

But if history has any say, Johnson can expect a drop-off. After all, every running back who has rushed for more than 2,000 yards in a single season suffered a drop-off the following year.

Here are the 2,000-yard rushers and how they did the year after.

Eric Dickerson, 2,105 yards, 1984. In 1985, he rushed for 1,234 yards.

Jamal Lewis, 2,066 yards, 2003. In 2004, he rushed for 1,006 yards.

Barry Sanders, 2053 yards, 1997. In 1998, he rushed for 1,491 yards.

Terrell Davis, Broncos, 2008 yards, 1998. In 1999, he rushed for 211 yards (injured in fourth game).

O.J. Simpson, Bills, 2003 yards, 1973. In 1974, he rushed for 1,125 yards.

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