Designated Hitter
2 articles

Diamond Digest
What is the Designated Hitter rule and how did it change MLB strategy?
On April 6, 1973, Ron Blomberg stepped up for the New York Yankees, not as a fielder, but as baseball's first designated hitter.
Marco Moretti·August 10, 2026

Diamond Digest
The Five Rule Changes That Actually Remade Baseball
Baseball's history is marked by continuous rule evolution, with five key changes profoundly reshaping the game's structure and strategy. From the Designated Hitter to recent pace-of-play initiatives, each significant alteration faced initial resistance but ultimately redefined how baseball is played.
Marco Moretti·June 23, 2026
