The 23 - year - old will move to Oakwell on a temporary basis until the deal becomes a permanent one on January 4 .
The 23 - year - old scored 18 goals for the Robins last season .
The 23 - year - old , who scored 18 goals for the Robins last season , will move to Oakwell on a temporary basis until the deal becomes a permanent one on January 4 .