The deal: Padres acquire RHP Dylan Cease from White Sox for RHP Drew Thorpe, RHP Jairo Iriarte, OF Samuel Zavala, RHP Steven Wilson
The last trade between these two clubs? When the San Diego Padres acquired a little-known prospect named Fernando Tatis Jr. for James Shields in 2016. A.J. Preller might not get that kind of value in Cease -- he's under team control for just two more seasons, after all -- but this deal with the Chicago White Sox dramatically changes the Padres' playoff odds just as they prepare for the long flight to Korea for the opening two-game series against the Los Angeles Dodgers.
Let's grade the trade: