Willson Contreras is a Cardinal, and the Cubs let it happen
Slumping Cardinals decide not to use Contreras at catcher
The Cardinals need to sign Willson Contreras this winter, by Jacob
From Cubs to Cardinals: Who else did it before Willson Contreras?
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Cardinals battle back to beat Cubs, split London Series behind Willson Contreras' big day
Cardinals rally for 7-5 win over the Cubs to split London series
Willson Contreras becomes a St. Louis Cardinal
Why Willson Contreras got a long-term commitment from the Cardinals, not the Cubs - The Athletic
Cardinals' Willson Contreras interest could be big Cubs blow
He's one of us': Can Willson Contreras' edgy, fiery show against Cubs ignite Cardinals?
Ex-Cub Willson Contreras will sign with rival Cardinals - Chicago Sun-Times
Willson Contreras beef with the Chicago Cubs just got personal
Willson Contreras explains Cubs-Cardinals rivalry ahead of MLB London clash after crossing 'Route 66' divide