Kennedy will be followed by Joe Saunders -- provided his rehab appearance Sunday goes well -- and Trevor Cahill.
Wade Miley will pitch one of the two days after that and as for the final spot, well, stay tuned.
A lot will depend on how rookie Trevor Bauer looks in his start Sunday. Bauer has not been sharp in his first two starts since being called up from Triple-A.
D-backs manager Kirk Gibson said the team had considered throwing Miley in the series with the Cubs but wanted to give him some extra time to recover from the All-Star festivities because he is the club's lone representative.