Messi 's major target , Gianlugi Buffon , is the only surviving player from Juventus ' last appearance in a Champions League final .
Messi poses the greatest threat to the Barcelona forward 's attempt to re-emerge as the all time leading goalscorer in the competition .
Messi 's major target , Gianlugi Buffon , is the only surviving player from Juventus ' last appearance in a Champions League final , and he poses the greatest threat to the Barcelona forward 's attempt to re-emerge as the all time leading goalscorer in the competition .