Wenger is a very briliant man... He knew if suarez remained in liverpool.. Liverpool will b a threat to him.. As he plans to win the premier league.. But he knew there was a way to make suarez leave england

What did he do:
He bought sanchez.. 32mill.. Barca needed 70mill.. He gave dem 32mill..and barca used d 32mill... Added extracash .. And went fot suarez..

Why dint wenger buy any other player:
He knew if sanchez leaves barca.. Barca would want to replace him.. And the only option would b suarez...

Now chelsea.manutd.mancity should thank wenger for his smartness