Best debut in MLB history? Plus: RIP, Tommy John

The Windup Newsletter ⚾ | This is The Athletic’s MLB newsletter. Sign up here to receive The Windup directly in your inbox.We’ve never seen a debut like Joshua Báez’s on Saturday. Plus: The trade deadline did not clarify things in the American League, Jake Rogers is on a uniform collection quest and Tyler Kepner has ou

Báez homered in his first three MLB at-bats Saturday as the Cardinals topped the Cubs