For only the second time in big league history beginning in 1916, the earliest year the records are available, the leadoff batters for both teams homer in their first at-bat and then add another round-tripper in the same game when Seattle’s Brad Miller and Tampa Bay’s Ben Zobrist each hit a pair of homers in the Mariners’ 5-4 win at Tropicana Field. Chuck Knoblauch of the Twins and Detroit’s Tony Phillips last accomplished the feat in 1994 at Tiger Stadium.

On August 13, 2013 — For only the second time in big league history beginning in 1916, the earliest year the records are available, the leadoff batters for both teams homer in their first at-bat and then add another round-tripper in the same game when Seattle’s Brad Miller and Tampa Bay’s Ben Zobrist each hit a pair of homers in the Mariners’ 5-4 win at Tropicana Field. Chuck Knoblauch of the Twins and Detroit’s Tony Phillips last accomplished the feat in 1994 at Tiger Stadium.

Source:
Baseball Reference August 13
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