▁season , ▁C ros as ▁fell ▁out ▁of ▁favour ▁under ▁new ▁C elt ic ▁manager ▁Neil ▁L enn on , ▁but ▁on ▁ 2 2 ▁September ▁he ▁came ▁off ▁the ▁ben ch ▁to ▁replace ▁Joe ▁Led ley ▁in ▁a ▁ 6 - 0 ▁League ▁Cup ▁win ▁over ▁In ver ness ▁C aled onian ▁Th ist le . ▁ ▁Vol ga ▁C ros as ▁was ▁transferred ▁by ▁C elt ic ▁to ▁Russian ▁Premier ▁League ▁side ▁FC ▁Vol ga ▁in ▁February ▁ 2 0 1 1 ▁for ▁£ 3 0 0 , 0 0 0 , ▁signing ▁a ▁contract ▁until ▁December ▁ 2 0 1 4 . ▁C ros as ▁also ▁joined ▁Vol ga ▁to ▁kick start ▁his ▁career ▁with ▁regular ▁first - team ▁football . ▁C ros as ▁made ▁his ▁debut ▁in ▁Vol ga ▁sh irt ▁in ▁a ▁ 2 - 0 ▁victory ▁over ▁Tom ▁Tom sk . ▁C ros as ▁made ▁ 2 6 ▁appearances ▁and ▁assist ed ▁ 5 ▁goals ▁in ▁his ▁ 1 1 ▁months ▁at ▁the ▁Russian ▁side . ▁ ▁Mexico ▁After ▁having ▁trouble ▁adapt ing ▁to ▁life ▁in ▁Russia ▁with ▁FC ▁Vol ga , ▁C ros as ▁signed ▁a ▁three - year ▁deal ▁with ▁Mexican ▁side ▁Santos ▁Lag una . ▁Following ▁his ▁move ▁to ▁Mexico , ▁C ros as ▁revealed ▁that ▁his ▁C elt ic ▁team mate ▁E fra ín ▁Ju á rez ▁played ▁a ▁part ▁in ▁his ▁surprise ▁move ▁to ▁Mexico . ▁C ros as ▁was ▁introduced ▁to ▁the ▁supp or ters ▁of ▁Santos ▁Lag una ▁before ▁the