1966 – Pittsburgh 3B Jose Pagan ties the modern National League record for errors in an inning with 3, but Pittsburgh coasts to a 9 – 3 win over the Mets.

On August 18, 1966 — 1966 – Pittsburgh 3B Jose Pagan ties the modern National League record for errors in an inning with 3, but Pittsburgh coasts to a 9 – 3 win over the Mets.

Source:
Baseball Reference August 18
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game