How can you determine what a player's Salary will be around if he is Franchised?
Is it avg value of top 5 -10 players salaries or top position player salary minus 10%?

I have am All Pro-Center at $7.6M with a high of $8M who is 34 and about to retire or
top tier TE 31yr with hands & speed currently at $4.5M with a high or $11M and need to Franchise 1 but have limited Cap Space.