Following a 4-1 win at Fulham, Wolves came crashing back down to earth at the weekend with a 4-2 home loss to Bournemouth that was full of individual mistakes.
Goncalo Guedes stepped off the bench to earn another assist but a number of other fringe players have struggled to make an impact.
O'Neil insists he will not rush into any big decisions on his starting XI following the damaging defeat to the Cherries, but has called for more impact from those on the bench.