Muhamed Besic, who joined Middlesbrough on loan from Everton in the summer transfer window, was in action against Sheffield Wednesday at the Hillsborough Stadium.
Sheffield Wednesday host Pulis's Middlesbrough on Friday.
Nottingham Forest beat Middlesbrough 2-0 at the Riverside Stadium Saturday.
Middlesbrough face Nottingham Forest at the Riverside Stadium on Saturday.
Muhamed Besic joined Middlesbrough on loan from Everton in the summer transfer window.
Ashley Fletcher hasn't started for Middlesbrough in the Championship all season, and struggled at Sunderland last season too.
Middlesbrough travel to Hull City this weekend in an all-important fixture.
Middlesbrough sit second in the Championship, having lost just one game all season.
Middlesbrough have now kept seven clean sheets this season.
Middlesbrough travel to Deepdale to face Preston North End in the Carabao Cup on Tuesday evening.