Since turning professional in 2006, Alonzo has spent his entire career in the Mexican professional league. His best season, based on averages, was his first season for Correcaminos Matamoros UAT, in which he averaged 18.5 points and 4.8 rebounds per game. After this season, he moved to Lobos Grises UAD before playing the 2008–09 season with Tecos UAG. With Tecos in 2008–09, he averaged 14.5 points and 3 rebounds per game for the 48–16 team.He was also a participant in the All Star Game while playing with Tecos. In 2009-2010 the following season he move on to represent the UV Halcones from the city of xalapa in the state of Veracruz. His average points per game moved up from the past season to 22.5 points a game 8 rebounds per game. In result became a champion with the Halcones. The following year Noe Alonzo was traded to Halcones Xalapa rival team; Halcones Rojos Veracruz. Where yet again became a champion and added another trophy to his belt in 2010-2011. He averaged close to the same amount as the previous season; 21.5 points and 10 rebounds a game. Following season of 2012-2013 he continued to play with Halcones Rojos and was one of the top point leaders of his team averaging 25.5 points a game 8 rebounds and 4 assists. He did fall short from having a third consecutive championship but was able to represent Mexico in the 2013 Fiba Americas Championship in Venezuela. Who then made history and won the gold medal and a ticket to compete in the 2014 World Games in Spain. Before making history the Mexico National Team had never qualified during the past 40 plus years. Before heading the Spain to play in the World Games, Noe Alonzo participated with the Mexico National Team in the Centrobasket tournament in Tepic Nayarit, Mexico. He then yet again helped his team win another championship trophy to beat rival country Puerto Rico. Unfortunately Noe Alonzo suffered an ankle injury that would in result cause him to drop out from competing in the 2014 World Games. He was able to showcase his talents in 2012-2013 where he represented Caciques from the city of Humacao in Puerto Rico and competed in the BSN Puerto Rican League. Averaged 15 points a game 5 rebounds and 5 assists. He returned to Mexico to continue playing in the LNBP League and In 2014-2015 he returned to UV Halcones Xalapa where he averaged 15.2 points per game 5 rebounds and 5 assists. He then was traded the following season in 2015-2016 to Fuerza Regia in the city of Monterrey state of Nuevo León.
National team career
Alonzo made his debut for the Mexico national basketball team at the 2008 Centrobasket, averaging 3.8 points per game in limited action off the bench. He also competed with the team at the FIBA Americas Championship 2009. In 2013, Alonzo helped lead Mexico to victory in the Gold medal game against Puerto Rico at the FIBA Americas Championship.
