Brandon Pfaadt's back, in all the ways. Plus: The lead-up to Bonds' steroid use.

The Windup Newsletter ⚾ | This is The Athletic’s MLB newsletter. Sign up here to receive The Windup directly in your inbox.Good morning, and happy Friday!Today’s newsletter is derived from this week’s Sliders — my weekly in-season column focusing on timely and timeless elements of the game. This week, I reviewed Brandon Pfaadt’s resurgence and a bit of Barry Bonds history, among other topics. Below are some excerpts.I’m Tyler Kepner, pinch-hitting for Levi, who is away playing sandlot ball for the next two weeks. Welcome to The Windup!Sliders: From minors to D-Backs’ rotation leaderIt was not, you might say, Brandon Pfaadt’s first rodeo. He had been with the Reno Aces before. A lot had transpired since then — he’d made 91 starts in the majors, including a run to the 2023 World Series, and