The Cubs have already proved to the rest of the baseball world that they're legitimate contenders.
Now they've proved it to the Cardinals, as well.
Starlin Castro's lean-back at home plate could go down as a defining image for this new Cubs-Cardinals rivalry.
Cubs third baseman Kris Bryant has turned heads all season long with his stellar performance on the field as a rookie.
PITTSBURGH – If the Cubs needed a moment to ignite a rivalry with the Pittsburgh Pirates, Chris Coghlan might have delivered it by crashing into Jung Ho Kang with a hard slide that could echo into