In his first season with the A's in 2015, Marcus Semien led all of Major League Baseball in a stat you really don't want to: errors.
Semien committed 35, eight more than any other player in the league. Fast forward to 2018, and the A's shortstop is a finalist for the Gold Glove Award.
"You see the work ethic and how far he's come," A's manager Bob Melvin said earlier this week. "It's also a credit to Billy (Beane) and David (Forst) to stick with a guy like that. Typically we tend to flip things around if things don't work.