The Rams head honcho begrudgingly sanctioned the move to let the Scotland international depart for Fulham on loan.
Sheffield Wednesday host Derby County in the Championship on Saturday.
The Czech striker thrived at Watford but, after scoring just three times for West Brom, is yet to find his shooting boots at Derby County.
It may have been brief but Derby fans finally got to see Matej Vydra play in his favoured position, and they like what they saw.
The striker put in arguably his most promising performance in a Derby County shirt against Barnsley by virtue of a new position.
Steve McClaren appears to have finally found a way to get the best out of two of his most gifted attackers.
The former Watford and Reading striker joined Derby County this summer on a permanent transfer.
The Rams forward says the return of the former England boss has put the club back in the right direction.
Matej Vydra has scored two goals in 16 matches for Derby County.
Derby County striker Matej Vydra has the faith of Steve McClaren.