The Tetney born frontman is in the final year of his contract and has previously said this is his 'make or break' year.
With a number of strikers now available for selection Rowan will face a battle to return to the first team once he's fully fit. The youngster is also realistic by confessing a new contract is not looking likely at this moment in time.
He told BBC Radio Humberside: "It's frustrating because obviously if I'm not playing I am not going to be renewed."