Alvaro Fernandez is the latest player to let fly from long range and this time it's Preston's turn.
His wayward effort fails to test West Brom but the hosts look comfortable.
Emmanuel Longelo almost, almost gets Birmingham back on level terms.
The hosts have keeper Zack Steffen to thank however as he gets his fingers on Longelo's free-kick and tips it clear over the bar.
West Brom trying their luck from distance as they try to force a leveller against Preston.
Okay Yokuslu has an effort from long range but it's well over the crossbar.