Michael Busch homered twice and drove in four runs, and the Chicago Cubs clinched the top NL wild card with a 7-3 victory over the St. Louis Cardinals.

The Chicago Cubs finally clinched home field for their National League wild-card series with a 7-3 win over St. Louis on Saturday before a raucous crowd at Wrigley Field.

The two home runs by Busch, including one on Michael McGreevy’s first pitch of the game, were his eighth and ninth hit against the Cardinals in just 11 games this season. The only other two Cubs in ...