Mertesacker's size, strength and aerial ability would be very useful against Costa, whereas the pace and tackling ability of Gabriel might be best against the pace of Loic Remy or Eden Hazard. (justarsenal.com)
Furthermore, when Wenger identified him as being a man who could add to our struggling midfield in the tackle and strengthen our poor defensive record, why on earth was # 35 million spent on a player with a reckless tackling ability? (justarsenal.com)
Ox's aggression and tackling ability compared is why him not Theo. (justarsenal.com)