Unipol Bologna has introduced their new closer for the upcoming season in the Italian Baseball League. The Venezuelan Raul Rivero is supposed to become the supplement for Jesus Matos as second foreign pitcher on the staff of the European Champions Cup winner of 2012. The 26-year-old right-hander spent seven seasons pitching affiliated minor league ball for the Baltimore Orioles. In 2012 he joined the Mexican Summer League, where he went 0-1 with an ERA of 4.50 in eight appearances. Overall he had an ERA of 3.88 in 163 games (49 starts) during his professional career.