Middlesbrough have confirmed that Muhamed Besic has returned for a second loan spell, having spent the second half of last season with the Teesside club.
Besic was a regular feature after joining Tony Pulis' team in January, making 15 appearances and scoring once against Derby as Middlesbrough reached the Championship play-offs, where they lost 1-0 on aggregate to Aston Villa.
Pulis had also hoped to bring Besic's Everton teammate Yannick Bolasie to the Riverside, but failed in that attempt, with the Congolese winger set to join their promotion rivals Aston Villa instead.