Yep, it was an ugly one. (A refresher on WPA.)

Tigers
Best Performers
Tyler Collins: .071 WPA
Nicholas Castellanos: .016 WPA
Several Tigers tied with .000 WPA

Tigers
Worst Performers
Matt Boyd: -.339 WPA (Ouch!)
Anibal Sanchez: -.065 WPA
Miguel Cabrera: -.055 WPA

White Sox
Best Performers
Geovany Soto: .208 WPA
Matt Davidson: .131 WPA
Jacob May: .119 WPA

White Sox
Worst Performers
Tyler Saladino: -.066 WPA
Todd Frazier: -.063 WPA
José Abreu: -.046 WPA