MLB players born on September 21

3 MLB players on file were born on September 21, 3 of them on a roster now: Devin Williams, Yainer Diaz, Henry Davis.

• Devin WilliamsRP · NYMborn 1994 · 32
• Yainer DiazC · HOUborn 1998 · 28
• Henry DavisC · PITborn 1999 · 27

Birth dates as ESPN files them: nearly every player on a roster has one, many players long retired do not.