1925 – The A’s move back into first place with a 5 – 4 win over the Red Sox and an assist from Lou Gehrig, who hits the first of his major league-record 23 grand slams to beat Firpo Marberry and the Senators, 11 – 7. A Pittsburgh win and Giants split with the Phils lifts the Pirates back on top.

ByBaseball

1925 – The A’s move back into first place with a 5 – 4 win over the Red Sox and an assist from Lou Gehrig, who hits the first of his major league-record 23 grand slams to beat Firpo Marberry and the Senators, 11 – 7. A Pittsburgh win and Giants split with the Phils lifts the Pirates back on top.

Lou Gehrig nickname iron horse
| |

Lou Gehrig belts first Grand Slam

ByThis Day in Baseball

On July 23, 1925, Lou Gehrig belts a grand slam – the first of his major league record 23 grand slams during his 17-year career in the Bronx, a mark that will be surpassed in 2013 by Alex Rodriguez.. Gehrig’s slam proves the difference in the New York Yankees’ 11-7 win over the Washington Senators….