In theory, the Oakland Athletics have some competition in filling out their starting rotation. While Jesus Luzardo and A.J. Puk are the favorites for the fourth and fifth spots in the rotation, nothing is being handed to either pitcher. Chris Bassitt remains in the mix to take a rotation spot, with non-roster invitees such as Tanner Anderson and Zach Lee battling for a roster spot. Paul Blackburn and Daniel Gossett could also be a part of that battle, as both have experience as a major league starter.