Jon Heyman of CBS has it first:
todd frazier goes to white sox
— Jon Heyman (@JonHeyman) December 16, 2015
Also, C Trent Rosecrans:
Todd Frazier is pet of the White Sox – Dodgers trade #Reds
— C. Trent Rosecrans (@ctrent) December 16, 2015
More later, as return is announced.
The Reds are receiving three prospects in return: