Gambler Howard Spira is found guilty of trying to extort money from Yankees owner George Steinbrenner. Spira had already received $40,000 from Steinbrenner.

On May 8, 1991 — Gambler Howard Spira is found guilty of trying to extort money from Yankees owner George Steinbrenner. Spira had already received $40,000 from Steinbrenner.

Source:
Baseball Reference May 8