The Diamondbacks activated Soroka (shoulder) from the 15-day injured list Wednesday.
The 29-year-old will follow starter Zac Gallen in Kansas City on Wednesday in what's expected to be a piggyback appearance. Soroka did not make any rehab appearances, instead opting for a 59-pitch simulated game Friday. The right-hander could make some starts later this month, though the Diamondbacks have not divulged their specific plans for the righty.