Manchester United manager Ruben Amorim arrived at Old Trafford a little over a month ago with a glowing reputation and backed by many to be the man to turn around the club's flagging fortunes. But 10 games into his reign the former Sporting boss has not only struggled to ignite United's season, he has also been outshone by the Premier League's three other Portuguese coaches. Amorim has won four, lost five and drawn one of his 10 games in charge in all competitions and his stuttering side are