But Chicago answered in the bottom of the fourth when Ryne Sandberg doubled in Dernier .
San Diego got one back in the fourth when Tony Gwynn doubled , moved to third on a groundout , and scored on a sacrifice fly by Kevin McReynolds off Steve Trout .
Chicago answered in the bottom of the fourth when Ryne Sandberg doubled in Dernier .
San Diego got one back in the fourth when Tony Gwynn doubled , moved to third on a groundout , and scored on a sacrifice fly by Kevin McReynolds off Steve Trout .