West Bromwich Albion skipper Jake Livermore says the Baggies need to rediscover their "killer instinct" in the wake of their damaging defeat at Championship bottom side Derby County.
Albion had battled back into serious automatic promotion contention on the back of a five-game unbeaten run.
But another host of missed chances, coupled with a defensive howler, led to a fifth league defeat of the campaign.
"It ends our little run but that's not good enough," he told BBC Radio WM.
"It's not where we want to be. And we need to have a look at ourselves.