Rosenthal has ranked in the top 10 in points in each of the last five seasons, one of just three players to claim that. He and Jake Gibb began the 2006 season, and their partnership, with a win in Ft. Lauderdale , one of six domestic finals the two would compete in. They also enjoyed the most successful international season of any American team in 2006, with a win and a pair of second-place finishes on the FIVB Tour, earning Rosenthal the FIVB Rookie of the Year award. The duo won twice more in 2007 and had nine title match appearances. "Rosie" was named the AVP Defensive Player of the Year.

He earned his first career victory in 2003 at Belmar with Larry Witt in what was just their fifth tournament together. The duo won again in the 2004 season opener, and continued as partners through the end of the 2005 season. Rosenthal was named AVP's 2002 Best Server. He played in the AVA National Championships in 2000 and 2001. All five of his domestic victories have come in tournaments played on the East Coast.

Statistically, in 2005 he ranked third in aces (62) and seventh in digs (670). In 2006 Rosenthal ranked second in both digs (4.96 per game) and kills (7.73 per game), and 10th in aces (.45 per game). In 2007 he was fourth in digs (4.83 per game) and fifth in kills (7.83 per game).

One of the yougest players on tour, he made his debut as a 17-year old in 1997. Rosenthal works at Absolute Cable Solutions and enjoys playing all sports, especially golf and basketball. He has a local legion of fans in the South Bay , known as "Rosie's Raiders." He trains regularly in Hermosa Beach .

Rosenthal is the second of seven children (six boys and the youngest is a girl). He prepped at Redondo Union High School .