Green Bay Packers On July 26, 2011, the
Green Bay Packers announced they had signed So'oto as an
undrafted free agent. During the pre-season, So'oto suffered a back injury and was inactive for most of the regular season but made his professional debut on special teams against the
Denver Broncos in week 4. So'oto was released by the Packers on September 10, 2012.
Oakland Raiders On September 25, 2012, the
Oakland Raiders announced they had signed So'oto. He played a total of four games for the Raiders during the 2012 season before being waived by the Raiders on November 6.
Return to the Packers The Packers re-signed So'oto to their 53-man roster on November 12, 2012. On December 11, the Packers released him and signed So'oto to their practice squad after clearing waivers two days later.
Washington Redskins On December 19, the
Washington Redskins signed So'oto from the Green Bay Packers' practice squad. The Redskins waived him on August 31, 2013, for final roster cuts before the start of
2013 season.
Arizona Cardinals He was signed by the
Arizona Cardinals on September 24, 2013, but released after just one game with a chest injury.
Pittsburgh Steelers So'oto signed with the
Pittsburgh Steelers during the 2014 offseason, but was released on August 25, 2014. ==Coaching career==