Strength of schedule is calculated from the opponents projected fantasy points allowed for the PK 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.
[Bironas was once considered a top fantasy kicker. However, he struggled last year missing six of 31 attempts and Bironas only made two field goals of beyond 50 yards. Add in the fact that Bironas kicks for an inconsistent Titans' offense and there are better fantasy kickers to choose from in 2013.]