Players helped, hurt by scheme changes in 2015

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After four seasons in Pittsburgh, wide receiver Emmanuel Sanders relocated to Denver during the 2014 offseason in a move that was widely regarded as solid. Not a real needle-mover relative to other transactions, but a nice potential fourth weapon for Peyton Manning behind Demaryius Thomas, Julius Thomas and Wes Welker.

A year later, Sanders looks like one of the league's great bargains with a contract that carries a base value of less than $10 million combined for the next two seasons. Sanders burst onto the scene in 2014, posting career highs across the board in the Mile High city, including 101 catches, 1,404 yards and nine touchdowns, nearly as many as he had in his first four pro seasons (11).

The move illustrated how a player's fantasy value is rooted in more than his talents alone. Did Sanders play the best football of his career last season? Sure. But was he a quantum leap better in terms of ability from what we saw in Pittsburgh? No. But when you play in an offense in which you can dictate a favorable matchup on almost every snap, beefed up production can -- and did -- follow.

Below is a look at four players who should be positively impacted by a change of scheme or scenery in 2015, and four others who might be limited by their new surroundings.