CHAMPIONSHIPBy Ben Pound

ALEN Halilovic believes he is ready to show his true potential after joining Birmingham and says compatriot Ivan Sunjic was a big influence in his decision to join the Blues.The 24-year-old Croatian was considered one of the brightest attacking talents in Europe when he joined Barcelona as a teenager in 2014, but he played just once for the Catalan giants before a series of loans, and a permanent move to Hamburg.The midfielder joins Birmingham as a free agent after ending an unsuccessful spell with AC Milan in October, where he was loaned out to Standard L...