... according to Wrighty and Keown. They say Arsene wants to simulate matchday pitches, does that mean matchday pitches are that hard then? And other traiing pitches are much relatively softer?

http://www.london24.com/sport/football/clubs/arsenal/wright_ and_keown_reveal_the_stunning_reason_for_arsenal_s _injury_pr oblems_1_4310196