Players who played both sides of Cardinals-Cubs rivalry
Cubs and Cardinals making most of MLB's London Series - ESPN
Cubs vs. Cardinals: A brief history of baseball's midwest rivalry
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Red-hot Cubs runaway winners in London vs. rival Cardinals - Sports Illustrated
The top six moments in the history of the Cubs-Cardinals rivalry
Will the Cubs-Cardinals rivalry return to its antagonistic roots this weekend at Wrigley Field?
MLB Rivalries: Chicago Cubs vs St Louis Cardinals – Bat Flips and Nerds
Will the St. Louis Cardinals and Chicago Cubs rivalry live up to the hype?
Cardinals–Cubs rivalry - Wikipedia
He's one of us': Can Willson Contreras' edgy, fiery show against Cubs ignite Cardinals?