It was their best start after 25 games since at least 1900 .
The Cardinals defeated the Cubs on May 4 for their seventh straight win , making their record on the season an MLB - best 19 -- 6 .
MLB was Cardinals ' best start after 25 games since at least 1900 .
The Cardinals defeated the Cubs on May 4 for their seventh straight win , making their record on the season an MLB - best 19 -- 6 .