The BBWAA began voting on MVP in 1931, so none prior to that are considered. In HOF (7 players, 78%): Yogi Berra, Roy Campanella, Joe DiMaggio, Jimmie Foxx, Mickey Mantle, Stan Musial, Mike Schmidt ...
A clinical trial is defined by NIH as a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to ...