Ian Cathro’s first competitive match as AS Saint-Étienne head coach produced a 3-0 demolition of FC Sochaux-Montbéliard, with all three goals arriving in a blistering six-minute window during the first half. AdvertisementSix minutes, three goals, game overJakob Breum broke the deadlock in the 22nd minute, and from there the floodgates opened with startling speed. Irvin Cardona doubled the lead just two minutes later, then completed a brace at the 28-minute mark to make it 3-0.Who is Ian Cathro? Cathro is not exactly a household name outside of coaching circles, but he has been a recognizable figure in European football for years. A ten-time French league champion, Saint-Étienne is one of those clubs where the size of the trophy cabinet doesn’t quite match its current division.