Senator Iselin is the original Manchurian candidate: he espouses McCarthyism but he is in fact a Communist.
We start with the pitcher then the catcher then to first and around the infield then into the outfield and around the outfield. Fielding positions in baseball by the number and the position name: Number-Position Name. 1 Pitcher. 2 Catcher. 3 First Baseman. 4 Second Baseman. 5 Third Baseman.
In modern day baseball, teams generally have five starting pitchers, and they take it in turn to start a game every fifth day (hence the phrase rotation). Sometimes, if the schedule pans out, a team can get away with a four man rotation, and in the distant past some teams managed a three man rotation.