West Brom debrief: First half versus second, Johnston sub and discipline woe
Albion were dealt a dispiriting 3-2 defeat after racing into a two-goal lead at Championship leaders Coventry City.
Here are some of the talking points from the CBS Arena in the debrief.
First half versus second
Game management has been a topic of heavy debate so far this season and the Mason era.
That ranges across several factors including in-game substitutions - more on that later - formation tweaks and the inability to hold on to a lead or positive result for the Baggies.
Statistics show that the 'first half table' in the Championship this season - scorelines from the first period in games - have Albion third with seven wins and seven draws from 16.
The 'second half table' paints a very different picture of Mason's side down in 21st with just two wins and eight defeats from minutes 46 to 90-plus.
There is a huge swing of 16 points and very clearly an issue for the head coach and his staff to address.
Johnston was flying