Change your team, change everything. Have these five pitchers unlocked hidden upside post-deadline?

The Windup Newsletter ⚾ | This is The Athletic’s MLB newsletter. Sign up here to receive The Windup directly in your inbox.So much can change for a starting pitcher who is traded at the deadline. Not only do they get a new set of defenders behind them, a new lineup supporting them and a new lease on life (for those leaving bad teams for contenders), but they also get to interact with a new coaching staff.The acquiring team almost certainly had a plan in place for the pitcher when he was acquired. Good enough is not good enough — the new pitching coach and his staff are usually eager to change the pitch mix, alter some mechanics and see if they can squeeze a little more quality out of their new arm.Let’s take a look at five of the starting pitchers who made the most aggressive changes since