Best, worst Gold Glove picks

Andrelton Simmons' defense is worthy of the hype -- and the Gold Glove. Daniel Shirey/Getty Images

Rawlings and the Gold Glove Awards took a tremendous step forward this year with the inclusion of the SABR Defensive Index (SDI) to help select the winners. Developed by the Society for American Baseball Research, SDI incorporates several of today's best defensive metrics into the Gold Glove voting. While the expert eyes of managers and coaches remain an invaluable part of the process, Rawlings finally recognized the flaws in the existing process and took measures to address them.