With the score tied at 5 – 5 and the bases loaded in the 10th inning, and no outs, Brewers manager Dave Bristol inaugurates the “Bristol Shift,” bringing OF Tommy Harper in between SS and 3B. Unperturbed, George Scott hits a sacrifice fly to win the game. Earlier in his career, as manager of the Reds, Bristol used a similar shift, called the Bristol Barricade, against Willie McCovey.

This Day In Baseball

On July 17, 1970 With the score tied at 5 – 5 and the bases loaded in the 10th inning, and no outs, Brewers manager Dave Bristol inaugurates the “Bristol Shift,” bringing OF Tommy Harper in between SS and 3B. Unperturbed, George Scott hits a sacrifice fly to win the game. Earlier in his career, as manager of the Reds, Bristol used a similar shift, called the Bristol Barricade, against Willie McCovey.

Source
Baseball Reference July 17