Let me breakdown the average pay of kickers from 2014 and onward, and let you know when their contracts expire
Gostowski - 3.8 million, free agent in 2015
Bryant - 3.3125 million, free agent in 2015
Bironas - 2.875 million, free agent in 2015
Nugent - 1.9 million dollars, free agent in 2015
Scobee - 4.5125 million per year, free agent 2016
Prater - 3.9375 million per year, free agent in 2016
Crosby - 3.475 million per year, free agent in 2016
Barth - 2.65 million per year, free agent in 2016
Succop - 3.15875 million, free agent in 2017
Novak - 1.825 million dollars, free agent in 2017
janikowski - 3.76 million per year, free agent 2018
Current Free Agents
Adam Vinatieri previous contract 3 years, 9.2 million i.e. 3 million per year
Robbie Gold previous contract 6 years 15 million i.e. 2.5 million per year
Phil Dawson previous contract 1 year 2.35 million dollars
This doesn't include any other players who are on the rookie contracts like Bailey who might be in for a pay day.