As the NFL training camps begin to open, we reviewed the offseason transactions to determine which teams did the most to improve their chances. 


Below are 5 teams that really got it done.


Denver Broncos

Added WR Wes Welker, DB Dominique Rodgers-Cromartie & OG Louis Vasquez


Kansas City Chiefs

Added QB Alex Smith, DB Sean Smith TE Anthony Fasano & OT Eric Fisher


Miami Dolphins

Added WR Mike Wallace, DB Brent Grimes, TE Dustin Keller & LB Dannell Ellerbe


Seattle Seahawks 

Added WR Percy Harvin, DEs Cliff Avril  & Michael Bennett, S Antoine Winfield & RB Christine Michaels


St. Louis Rams

Added T Jake Long, TE Jared Cook, WRs Tavon Austin & Steadman Bailey


Which Team Had the Best Off-Season?