Pulis spent 18 months on Teesside, missing out on promotion via the play-offs in his first half season, before finishing seventh in his only full campaign.
During his time at Boro, the club made 12 signings, both permanent and loan deals, with some faring much better than others.
Only two of those players, George Saville and Paddy McNair, are still at Boro, while some have gone on to impress at other clubs following difficult spells at the Riverside.
Pulis pointed out on a regular basis that he had to balance the books and cut the wage bill, while attempting to win promotion from the second tier.
Two years after Pulis’ left Boro, we take a closer look at the players who were signed under the Welshman and what has happened to them since.
2. Aden Flint (Cardiff)
The towering centre-back spent just one season at the Riverside before joining Cardiff at the end of the 2019/20 season. The 31-year-old has got back into the Bluebirds side following a loan spell at Sheffield Wednesday. Photo: Alex Burstow
3. George Saville (Middlesbrough)
After a tough start to his Boro career, Saville has just enjoyed his best season at the Riverside, scoring six goals and providing four assists from midfield. Photo: Stu Forster
4. Paddy McNair (Middlesbrough)
The only other man on this list who is still at Boro. Interestingly, McNair appeared to be playing out of position when Pulis deployed him in defence, yet the Northern Ireland international has excelled in that role under Neil Warnock. Photo: Stu Forster