The LA Angels were originally going to sign Zack Cozart to play second base. After years of playing shortstop, Cozart had agreed to play second base alongside defensive phenom Andrelton Simmons.
However, after the Angels jumped at the opportunity to acquire Ian Kinsler to from the Detroit Tigers, Cozart almost immediately agreed to play third. And thus, the best defensive infield in baseball was formed.
These players are proving they aren’t just Gold Glovers though. Simmons and Kinsler have had solid Springs. However, Cozart has impressed more than anyone. He has come in and played great defense (no errors in 87 innings) and been stellar at the plate.