The Red Sox just activated Christian Arroyo from the injured list. Surprisingly, instead of optioning either Enmanuel Valdez or Jarren Duran to Triple-A Worcester, the team DFA’d Raimel Tapia to make room for Arroyo. This was the wrong decision.
If you look at this move on the surface it makes some sense. Duran has a better wRC+ at 108 vs 92 for Tapia. You could also argue that, even though Tapia has a nearly identical wRC+ to Valdez, the current roster construction makes the middle infielder more valuable than Tapia. I’d argue that looking at solely these numbers is a mistake.