Credit to @StrangedeBill1:

4 pitchers, and 4 pitchers only, have played in the majors after attending Fullerton Union High School in Fullerton CA, and now all 4 have thrown an MLB no-hitter. This is a simply incredible baseball fact—most amazing ever. pic.twitter.com/96VdAjCvj4

— High Heat Stats (@HighHeatStats) August 10, 2023