The former fifth round draft pick of the Anaheim Angels brings five seasons of experience in affiliated baseball to the Wild Things and a career .257 average. Rivera played in Mets organization in 2009, with Brooklyn of the New York Penn League. In 66 games, he batted .297 with 66 hits, 14 doubles, three triples, four homeruns and 34 RBI.
In 2008, he appeared in 42 games with Auburn of the New York Penn League. After missing the 2007 season, he batted .182 with 16 hits, three doubles and eight RBI.
The Canovanas, Puerto Rico, native played for Orem in the Pioneer League in 2006, batting .261 with 64 hits in 65 games. He played for the AZL Angels in 2004 and 2005, hitting .218 and .280 respecitively.