I'm in the "do not draft/sign" camp on guys like this. When I download the rookie draft prospects into a spreadsheet, the first two sorts I do on pitchers are dur and stam. If either is under 15, I put them in the do not draft category. (Exception for an otherwise solid starter with really high stamina, if he's close to 15 dur - no exceptions for relievers)
Having said that, if I had this guy, I'd use him in the bullpen with a MPC of 10. If he ever pitched two days in a row, I'd rest him till he was 100% again (hopefully only one day).