Arsene Wenger has handed a start to Calum Chambers as the Arsenal manager reverts to three at the back for the away match against Crystal Palace.
Calum Chambers starts as part of the back three as Arsene Wenger reverts to his newfound favourite formation. Sead Kolasinac returns to the starting lineup as well, with Jack Wilshere continuing to be deputised alongside Granit Xhaka in the absence of Aaron Ramsey.
— Arsenal FC (@Arsenal) December 28, 2017
The trio of Ozil, Sanchez and Lacazetta start upfront.