Strength of schedule is calculated from the opponents projected fantasy points allowed for the RB position. The best rating is +16 which gives the player the advantage against the defense and indicates an easy opponent, the worst rating is -16 which gives the defense the advantage and indicates a tough opponent.
In 2013, Tate gained 771 yards, caught 34 passes and scored four touchdowns with the Texans. That seems like forever ago now. Last year in 11 games between Cleveland and Minnesota, Tate averaged 3.0 yards per carry and lost a starting job. It's likely we've seen the best Tate has to offer.