In the first regular-season game between Canada’s major league teams, the Expos emerge 2 – 1 winners over the Blue Jays. Pedro Martinez allows three hits, including a solo home run by Carlos Delgado, and strikes out 10 while Vladimir Guerrero hits a home run in his first interleague at-bat.

This Day In Baseball

On June 30, 1997 In the first regular-season game between Canada’s major league teams, the Expos emerge 2 – 1 winners over the Blue Jays. Pedro Martinez allows three hits, including a solo home run by Carlos Delgado, and strikes out 10 while Vladimir Guerrero hits a home run in his first interleague at-bat.

Source
Baseball Reference June 30