The phrase "clumsy challenge" means an action or attempt that is done without coordination or skill, resulting in awkwardness or difficulties. Full definition
The ball was played in from the Right - Wing by Sanchez, and Boyata's clumsy challenge on Wilshere, outside the box, lead to the Referee Michael Olivier waving play on, and Cazorla jumped on to the ball, sucking Clichy out of position and drilling a left - foot shot past Caballero to find the bottom corner. (justarsenal.com)
Xhaka for LeCoq to avoid leaving us with 10 men for clumsy challenge and Theo for Iwobi as we need an injection of pace... 10 mins to go take Jenk out and bring Chambo. (justarsenal.com)
Its vitally important that the team build a siege mentality now, that they believe the whole world is against them and so they stop making stupid fucking clumsy challenges in the box and score 6 goals before they capitulate 4 goals. (arsenalfcblog.com)