CFL kickers getting markedly better over time

Larry Robinson, Tommy Joe Coffey, Don Sutherin and Moe “The Toe” Racine were talented athletes who combined playing other positions with place-kicking well enough to warrant Canadian Football Hall of Fame induction.
Coincidentally, none of them converted even 50 per cent of his field-goal attempts during a dozen Canadian Football League seasons or more.
In contrast, the top four field-goal percentages through the 2018 season belonged to active kickers: Calgary’s René