Career
He has played in the NBDL, National Association of Intercollegiate Athletics (National Association of Intercollegiate Athletics) and the National Superior Basketball League of Puerto Rico (Bachelor of science in nursing ) with Santurce Crabbers, Coamo Marathon Runners, Ponce Lions, Bayamón Cowboys, Morovis Titans, and the Isabela Gallitos. Narvaez was drafted by the Albuquerque Thunderbirds with the 1st pick of the fourth round of the 2006 NBDL Draft. Narvaez played his college career with Southern Nazarene University from 2000 to 2004.
During his junior year (2002-2003).
Narvaez averaged 15.8 Pittsburgh Plate Glass Company and 11.6 RPG. During his senior year (2003–2004). Narvaez averaged 18.6 Pittsburgh Plate Glass Company and 12.5 RPG and was named National Association of Intercollegiate Athletics Third Team All-American.
Narvaez has played professionally in the National Superior Basketball since 2000. In 2006 Narvaez was drafted by the Albuquerque Thunderbirds with the 1st pick of the fourth round of the 2006 National Basketball Association Development League (NBDL) Draft.
On January 2, 2007, Narvaez was waived by the Albuquerque Thunderbirds.
On February 14, 2007, Narvaez was acquired by the Colorado 14ers to replace Eric Osmundson due to injury. Narvaez was again waived in the NBDL by the Colorado 14ers in February 2007. In 2007 with Coamo Marathon Runners, Manuel averaged 14 points and 13.9 rebounds per game.
That is when he earned five awards.
Defensive rebound, offensive rebound, All start team, sportsmanship player and defensive team Narvaez participated in the 2010 National Superior Basketball season, playing with Ponce Lions with an average of 10 points and 10 rebounds per game.
Also, in 2011 season again with Coamo, Narvaez had an autstanding season averaging 11 points and 11 rebounds. Furthermore, Narvaez is an author of a motivational book called "El Sentido del Baloncesto en la Vida".
In this exceptional inspirational book, Narvaez wants to give back all of the great leadership tools basketball offers to the future generations.