There’s a twist to this record most fans never realize…'
On September 29, 1987, Don Mattingly hit his sixth grand slam of the season, breaking Ernie Banks’ long-standing record. Incredibly, those six slams were the only grand slams of Mattingly’s entire 14-year, 222-homer career. Over one unforgettable season, he turned rare moments into routine—and then never did it again.
🕵️ Inside The Original Newspaper Coverage:
Another home run streak had already made headlines
Mattingly’s shift in strategy that he credits as a catalyst
A milestone steal hinted at history in motion
The Original Newspaper Coverage is Just Below
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