Dalton Jones of the Tigers loses a grand slam against the Red Sox when he passes teammate Don Wert on the basepaths. Jones pinch hits for Jim Price and belts a 2-2 pitch from Vicente Romo into the RF upper deck for an apparent grand slam. However, he passes Wert between first and second and is called out, ending up with a three-RBI single.

This Day In Baseball

On July 9, 1970 Dalton Jones of the Tigers loses a grand slam against the Red Sox when he passes teammate Don Wert on the basepaths. Jones pinch hits for Jim Price and belts a 2-2 pitch from Vicente Romo into the RF upper deck for an apparent grand slam. However, he passes Wert between first and second and is called out, ending up with a three-RBI single.

Source:

Baseball Reference July 9