While he's relatively new to the managerial arena, Monk has already signed some quality players at the various sides he's managed. Here's the biggest transfers he's overseen as a coach so far, ranked from lowest to highest estimated fee.
13. Federico Fernandez - from Napoli to Swansea City
Estimated fee: £6m. Fernandez was a mainstay of the Swans' defence for four seasons, and is now a key player at Newcastle United. (Photo by Stu Forster/Getty Images) Photo: Stu Forster
14. Ashley Fletcher - from West Ham United to Middlesbrough
Estimated fee: £6.5m. The former Manchester United youth academy product is now starting to blossom for Boro, after previously spending time on loan with Sunderland. (Photo by Jan Kruger/Getty Images) Photo: Jan Kruger
15. Gylfi Sigurdsson - from Tottenham Hotspur to Swansea City
Estimated fee: £9m. Another player who was desperate for first team football, the Icelandic ace flourished when handed a chance by Monk at the Swans. He's now bossing it in the Everton midfield, after being signed for a whopping £45m. (Photo by Jan Kruger/Getty Images) Photo: Jan Kruger
16. Martin Braithwaite - from Toulouse to Middlesbrough
Estimated fee: £9m. The Denmark international struggled to adapt to English football, and spent time out on loan in France before joining Spanish side Leganes earlier in the summer. (Photo by Jordan Mansfield/Getty Images) Photo: Jordan Mansfield