On the same card, Calzaghe's stablemate NathanCleverly got the Welsh contingent off to a good start with a shut-out 80-72 eight-round points victory over North Carolina veteran Antonio Baker.
Maccarinelli was fighting on the same bill as compatriot NathanCleverly, who closed in on a world title shot after defending his European light-heavyweight title with a 10th-round stoppage of Karo Murat.
NathanCleverly, from New Tredegar in Caerphilly county, won the Commonwealth light-heavyweight title in October after a gruelling 12-round fight against Portsmouth's Tony Oakey and retained it on Friday when he beat Kenyan Douglas Otieno.
The former Blackwood Comprehensive School pupil, dubbed Nathan "Clever Boy" Cleverly, is coping well with combining his training schedule and the demands of statistics, equations and algebra.