Strength of schedule is calculated from the opponents projected fantasy points allowed for the WR 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.
The consummate possession receiver, he's made a nice little career out of doing a lot of things the right way and making plays with consistency where others with perhaps more perceived ability have fallen short. After catching 50+ passes for the Seahawks more years than not since 2002, he now brings reliability and a proven track record to a wide receiver corps which has lacked depth for a while now. Going undrafted in many leagues, he represents incredible value (particularly in PPR formats). One thing Todd Haley was known for in Arizona, after all, was getting the ball to receivers other than Boldin and Fitzgerald quite a bit.