Liam Scales provided an assist as Celtic survived a scare from fellow Irishman Conor Sammon to make it Into the last 16 of the Scottish Cup but landed Ange Postecoglou with another trio of injury worries.
Goals from Giorgios Giakoumakis, assisted by Scales, and Liel Abada before the break appeared to put the visitors on easy street against a well-organised Alloa outfit but Barry Ferguson’s men struck with 15 minutes left to make it more nervy than it should have been.
And when the dust settled, the Hoops boss was left sweating over the loss of Callum McGregor, Yosuke Ideguchi and Abada, all of whom went off injured.
