Sir Isaac Newton was talking about physics, but he could have just as easily been talking about NFL offseason moves—if the NFL had existed back in the 15th and 16th centuries.
With each offseason move the Miami Dolphins made, they impacted their roster in one way or another. Some additions were good news for some players, other additions were bad news for other players.
Now that the Dolphins have begun the long journey from June minicamp to the regular season, now's as good a time as any to reassess where these winners and losers stand headed into 2015.