Dehesa played for St. Anthony High School, and earned the All CIF First Team Honors during his junior and senior years.

[2] For college, he attended Waldorf University in Iowa on a basketball scholarship, where he averaged 16 points per game and was awarded 1st Team All-Conference in the Midwest Collegiate Conference during his senior season.

[3] However, in March 2013, just three months after he was signed, Dehesa was released by Saigon along with Phillip Morrison, another Filipino-American guard.

[6] In a loss to the Rain or Shine Elasto Painters during the 2015–16 Philippine Cup, he scored 20 points.

[15] In the 2019 Patriot's Cup, his team, the Wilkins-Balanga Pure, lost in the Finals to Phenom Basilan CTC Construction.

[17] In 2020, Dehesa, now playing for the Butuan City Uluan Roasters, got into a heated argument with Nueva Ecija Rice Vanguard player Gab Banal after their semis loss.

[21] [22] In 2015, Dehesa teamed up with Calvin Abueva, Vic Manuel, and Troy Rosario for the 2015 Fiba 3x3 World Tour Manila Masters.

[25] The following year, Dehesa teamed up with Mac Belo, Russel Escoto, and Glenn Khobuntin for the 2016 3x3 World Championships.