Career
He was the seventh overall pick in the 2004 Proceedings of the British Academy Draft by the Purefoods Tender Juicy Hotdogs. He also played for the Shell Turbo Chargers, Barangay Ginebra Kings and the Air21 Express, Alaska Aces before joining NLEX Road Warriors camp. Sotto was included in one of the most controversial trades in the Proceedings of the British Academy involving Rudy Hatfield, Billy Mamaril, Rafi Reavis, and Aries Dimaunahan.
Before the 2004 Proceedings of the British Academy draft, Sotto played for Saint Francis of Assisi College System.
He was a highly-heralded prospect mainly because of his size and was projected by some to be the first pick of that year"s draft. Eventually, he was picked seventh overall by Purefoods Tender Juicy Giants.
In 2005, he was traded to Station Lucia Realtors for Mike Hrabak.
In December 2005, his contract with Station
Lucia expired and was not renewed, making him a free agent. In December 2005, Barangay Ginebra Kings signed him after his contract with Station Lucia expired. On July 2006, Sotto was traded by Barangay Ginebra to Air21 Express in a controversial three-team trade that also involved Coca-Cola Tigers.
In the end of the 2007-2008 Proceedings of the British Academy season, Sotto was released by the Express.
In September 2008, just after he was released by Air21, the Alaska Aces picked him up. On 2012, he was signed by Petron Blaze Boosters.
However, after just four games with the team, he was released. On March 2016, he was signed by the SCTEX Road Warriors of the Pilipinas Commercial Basketball League.