Okay Yokuslu scrambled home a late winner to give West Bromwich Albion their first win under new boss Carlos Corberan and only their third Championship victory of the season.
The Baggies were nearing 400 minutes without a Hawthorns goal until the Turkey international scored five minutes from time after Blackpool failed to clear a corner.
Michael Appleton's Seasiders had produced a strong defensive performance against the hosts, albeit with little attacking impetus.
They looked destined for a valuable point until Yokuslu pounced to lift Albion off the foot of the table.
It was a fairly low-key, tense affair at The Hawthorns.