Next , Lou Brock knocked a triple and scored on a ground - out by Roger Maris .
Bob Gibson did return after the delay , and helped his own cause by hitting a home run off Joe Sparma in the fourth inning .
Lou Brock knocked a triple and scored on a ground - out by Roger Maris .
Bob Gibson did return after the delay , and helped his own cause by hitting a home run off Joe Sparma in the fourth inning .