The St. Louis Cardinals have a third base problem. It’s not a new problem, but it’s getting harder to ignore as the trade deadline approaches and the NL Central race tightens. Nolan Arenado is locked in at the hot corner, sure, but the Cardinals need depth and stability at the position for a deep October run. Enter Matt Chapman, the Giants’ Gold Glove third baseman who might be the most logical trade target no one is talking about enough.
San Francisco has made it clear they’re selling. The Giants are looking at a roster that didn’t click the way they hoped, and now they’re willing to move veterans to clear salary and restock the farm system. Chapman is the most obvious piece to move. He’s making $100 million over the next four years, and the Giants would love to shed that contract while getting something back that actually helps them rebuild.
For the Cardinals, Chapman’s defensive value is the draw. Through 73 games this season, he’s hitting .737 OPS with 7 homers and 41 RBIs. That’s respectable but not elite. The glove, though? That’s still elite. He’s an above-average defender at third with the kind of range and arm that saves runs. In a tight division race, runs saved are just as valuable as runs scored. The Cardinals pitching staff would benefit immediately from having a vacuum at third base.
The Giants want young talent and financial flexibility. The Cardinals have both. Here’s the deal that makes sense for both sides:
- Cardinals receive: 3B Matt Chapman
- Giants receive: RHP Tanner Franklin, OF/SS Ryan Mitchell
Tanner Franklin is a high-ceiling arm in the Cardinals system. He’s shown velocity jumps in the minors and projects as a future rotation piece. Ryan Mitchell is a versatile prospect who can play multiple positions and brings speed. That’s the kind of package that fits what San Francisco needs right now: young, controllable talent with upside.

The Cardinals would need to eat most of Chapman’s contract to make this work. But for a team that’s built to win now, payroll flexibility matters less than having the right pieces in place for October. Chapman has been through the grind. He’s played in high-leverage situations. He knows what it takes to win in the postseason. That experience matters for a Cardinals team that has aspirations of bringing another trophy to Busch Stadium.
The downside is obvious. Franklin and Mitchell are real prospects. Trading them hurts. But championship teams make those kinds of moves. The Cardinals front office has to decide whether they’re all in this season or they’re not. A trade for Chapman would send a loud message to the fanbase that they’re not settling for a wild card spot.
There’s no guarantee the Giants will deal Chapman. But if they do, the Cardinals should be first in line. The fit is too clean to ignore.

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