May 20 in Pittsburgh Pirates History: Willie Stargell of the Pittsburgh Pirates hits the longest homerun at Olympic stadium (1978)

On May 20, 1978 — Willie Stargell of the Pittsburgh Pirates hits a 535-foot home run into the 300 club deck level in right field off Montreal Expos pitcher Wayne Twitchell to highlight a 6 – 0 victory at Stade Olympic. The expos replaced the red seat with a yellow seat to commemorate the blast. It i

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Source: Historical record

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