William Collum is back in UEFA Champions League action this week.

Collum will take charge of Wednesday’s Round of 16 meeting between Shakhtar Donetsk and Roma.

He will be assisted by:

 AR1: David McGeachie

AR2: Frankie Connor

Fourth Official: Dougie Potter

AAR1: Bobby Madden

AAR2: John Beaton

Andrew Dallas

Meanwhile, Andrews Dallas has been appointed to referee FC Basel’s trip to Atletico Madrid in the UEFA Youth League and will be assisted by Sean Carr and Daniel McFarlane.