100 Athletes Who Shaped St. Louis Sports
Who was Roger Craig the former MLB pitcher and Giants manager who passed away? - AS USA
Of all the successful left handed starting pitchers in MLB history, who threw the fastest? - Quora
Roger Craig, Teacher of an Era-Defining Pitch, Is Dead at 93 - The New York Times
Remembering Roger Craig: Pitcher Who Started the First Game In Mets History & Teacher of the Split Finger Fastball (1962 - 1963)
Roger Craig Baseball Stats by Baseball Almanac
Remembering Roger Craig: Pitcher Who Started the First Game In Mets History & Teacher of the Split Finger Fastball (1962 - 1963)
Giants fans can cheer former manager Roger Craig at 1989 reunion
Roger Craig, evangelist of the split-finger fastball, dies at 93 - The Washington Post
Working to Make Leon Day Reappear - Baseball ProspectusBaseball Prospectus