Does anyone know players i can sign for arsenal or a mid premier division team? ?

I HAVE STARTED A CAREER WITH ARSENAL. I HAVE SIGNED DARIO SRNA, KLAAS JAN HUNTELAAR, GARETH BARRY, ASHLEY YOUNG AND YURY ZHIRKOV BUT YET I AM STILL CONSTANTLY LOSING AGAINST LOWER PREMIER LEAGUE DIVISION TEAMS E.G I LOST 3-1 TO STOKE :P