Complex sentence: Oliveira moved countries again in 2008--09, joining Modena F.C. in Italy; the following summer, also in the country, he signed with modest A.C. Arezzo (third level), on a free transfer.
Split into simpler sentences: Oliveira moved countries again in 2008--09, joining Modena F.C. in Italy. The following summer, also in the country, he signed with modest A.C. Arezzo (third level), on a free transfer.