West Brom were met with an in-form Liverpool in their Premier League clash - leaving Anfield on the end of a 2-1 defeat.
The Dutchman, who spent five years at the Hawthorns, says the Villans failed to recruit well enough.
The former Tottenham star has hit the ground running since his £13million club-record summer move to The Baggies.
West Bromwich Albion have tied the midfielder down to a new deal.
Chelsea, Liverpool, Watford and West Bromwich Albion stars all feature.
Claudio Yacob has established himself as an important player for West Bromwich Albion.
West Bromwich Albion have penned a vital part of their midfield to a new two-year contract.
Ahead of a contest that pits two under-pressure Welsh managers up against each other, we discuss the potential line-ups of both sides.
After Ronald Koeman's first Premier League win as Everton manager against West Bromwich Albion, we take a look at five things we learned from both sides.
The West Bromwich Albion midfielder is vital to their cause.