2007: Moala returns as a starting defensive tackle as a junior in 2007. He sprained his left ankle during 2007 spring practice and sat out the last half of spring drills.

2006: Moala started USC's last 7 games at defensive tackle as a sophomore in 2006. He also started 3 early-season contests (Nebraska, Arizona, Washington State) at nose tackle for an injured Sedrick Ellis. Overall in 2006 while appearing in all 13 games, he had 20 tackles, including 7 for losses of 16 yards (with 2.5 sacks for minus 8 yards), plus a fumble recovery and 4 deflections. He made 2006 Collegefootballnews.com Sophomore All-American honorable mention and All-Pac-10 honorable mention.

2005: Moala saw key playing time at defensive tackle as a redshirt freshman in 2005, even starting 2 games (Arizona State and Arizona). Overall in 2005 while appearing in all 13 games, he had 8 tackles, including 1 for a loss of 1 yard. He had 3 tackles against Washington State and 2 versus Arizona.

2004: Moala redshirted as a freshman defensive tackle in 2004, his first year at USC. He sprained his right hand and his shoulder in 2004 fall practice and missed USC's first 4 games. He was USC's 2004 Service Team Defensive Player of the Year.

Prior to USC: He originally signed with USC in 2003, but did not qualify for admission, so he attended Cypress (Calif.) Junior College in 2003 as a part-time student (he didn't play football there).

High School: Played offensive and defensive lineman at Western High in Anaheim (Calif.). He missed all but 2 games of his 2002 senior season because of an injured left foot ligament. As a junior in 2002, he made All-CIF Division IX first team and All-League while posting 60 tackles and 4 sacks.