Arsenal can't win a trophy because: they are not good enough to win trophy!
Arsenal last won a trophy in 2005 , it was the F.A. cup.
No problem Arsenal last won a trophy in 2005, the f.A. cup.
It has been 6 years since Arsenal won a trophy.
Arsenal has won 31 trophies.
Yes, since it was commissioned for Arsenal AFTER the end of the season. It's a property of Arsenal and can be found in the trophy cabinet at the Emirates Stadium.
The last time Arsenal won a trophy was in 2005. They won FA cup by beating Manchester United 5-4 on penalty shootout.
Arsenal's trophy cabinet. It has been empty for so long that they dont need it.