City would have won the title with a record six games to go had they beaten United in last weekend's Manchester City derby at the Etihad Stadium, but they surrendered a 2-0 lead to lose 3-2. To make matters worse for United, their loss sealed the title for their cross-town rivals, Manchester City.
Currently, a key element of the defence made of his time at Old Trafford is that Pep Guardiola has been able to substantially outspend him.
His decision to forego the match looked justified considering West Brom's awful form, but the visitors easily coped with United's ponderous attacks and looked unsafe going forward.
'Paul had a yellow card and before that he had a situation not for a second yellow but you never know in football, so I reacted to that. His own comparatively conservative approach inevitably attracts both questions and criticism regarding the still huge scale of his own outlay. The most United can now reach is 86.
"Rotating is not the right word - if I play a player against Bournemouth and the player is phenomenal, he plays the semi-final".
'In the first-half I felt I had to bring one player with more dynamic and a player that runs more and has more touches of the ball. One by one he rattles through the ways in which the opposition might try to pose an attacking threat before outlining how John Terry and co can counter. But the fact that Mourinho has chosen to do so suggests that he feels strong enough to take the risk.
Albion's matchwinner, Rodriguez, was one of the beneficiaries of Rondón's aerial prowess, as he bagged his second goal of the two games he has played under Moore so far.
Mourinho has promised wholesale changes for their crucial FA Cup fixture following the feeble display against bottom-of-the-table West Brom.
United visit Bournemouth on Thursday (AEST) before taking on Spurs at Wembley three days later, aiming to keep alive their last hopes for a trophy this season.
Mourinho has lost patience with Pogba.
"Usually a goalkeeper would collapse down to be able to save it, but because it is here (straight at him), he goes down with both hands and tries to nearly push it away".