I am trying to find signers for each of these clubs. I noted the last year for the club. So far, I only have Shantz for the .45s. Any others that anyone knows of for these clubs is appreciated.

Washington Senators 1960
Houston Colt .45s 1962 (Bobby Shantz)
Milwaukee Braves 1965
Kansas City Athletics 1967
Seattle Pilots 1969
Washington Senators 1971
Montreal Expos 2004