On May 1, 1984 — Dwight Gooden becomes the first teenager to strike out a least ten batters in a game since Bert Blyleven accomplished the feat in 1970. The Mets’ 19-year-old phenom, who will set a major league rookie record with 276 strikeouts, will have a total of 15 double-digit strikeout games this year.

Source
Baseball Reference May 1