I'm trying a project trying to get as many old Senators as possible, and can't find anything on the following guys... Any help would be greatly appreciated!

Jose Zardon
Hal Keller
Connie Marrero
Carlos Pascual
Don Johnson
Dick Starr
Yo Yo Davalillo
Wayne Terwilliger
Steve Korcheck
Roy Dietzel
Pedro Ramos
Bobby Kline
Jose Valdivieso
Herb Plews
Jim Heise
Garland Shifflett
Neil Chrisley
Jack Kralick
Hal Naragon
Reno Bertoia
Rudy Hernandez
Hector Maestri