Manchester United lost 1-3 to Arsenal, Ronaldo scored a goal. Only Cristiano Ronaldo has scored in the last 4 Premier League games.
Manchester United's last 4 matches
Everton 1-0 Manchester United
Manchester United 3-2 Norwich (Cristiano Ronaldo hat-trick)
Liverpool 4-0 Manchester United
Arsenal 3-1 Manchester United (Cristiano Ronaldo scored 100 Premier League goals)