Wanderers played the opening three games of the season in a 3-4-1-2 but lined up in a 4-2-3-1 over the weekend against the U's.
Despite the match at the Jobserve Community Stadium ending in defeat, the performance with the fresh formation was well received by Bolton boss Evatt which he felt suited his team.
Combinations on the left flank between Nathan Delfouneso and Liam Gordon and on the right between Gethin Jones and Jak Hickman caused problems throughout the game for Colchester.
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