Stanley Johnson: From Mater Dei to the NBA

Mater Dei's Stanley Johnson drives around El Camino Real's Michael Thomas in the second period of the CIF State Open Division playoffs in March 2013.

Mater Dei's Stanley Johnson was selected as the Register Boys Athlete of the Year his senior year (2013-14).

Mater Dei's Stanley Johnson hugs his mom Karen after the Monarchs' 71-61 victory over Bishop O'Dowd in the CIF Boys Open Division State championship game in Sacramento in March 2014.

Mater Dei's Stanley Johnson scores past Bishop O'Dowd's Ivan Rabb during the Monarchs' 71-61 victory over Bishop O'Dowd in the CIF Boys Open Division State championship game in March 2014.

Mater Dei's Stanley Johnson takes a moment to greet Ayden Quinn after the Monarchs defeated Westchester in the Open Division Regional final in March 2014.

Mater Dei Stanley Johnson shoots against Westchester in the CIF Regional Final in Ontario in March 2014.

Mater Dei's Stanley Johnson drives past the Etiwanda defense during the Monarchs' 67-64 double-overtime victory in the semifinals of the Open Division in the CIF Southern Section Regionals in March 2014.

Stanley Johnson holds up shoes with the University of Arizona logo on them as he announces he will be going to Arizona in November 2013.

Stanley Johnson, right, walks with his mother, Karen Taylor, after announcing on ESPNU that he would attend Arizona.

Mater Dei's Stanley Johnson posed with Mater Dei's Katie Lou Samuelson for the Register's All-County boys and girls basketball teams for the 2012-13 season. Johnson and Samuelson were the players of the year.

Mater Dei's Elijah Brown, left, and Stanley Johnson are congratulated by Coach Gary McKnight after a victory in the CIF Open Division Southern California Regional final in March 2013.

Mater Dei's Stanley Johnson is fouled by Poly's Jordan Bell during the Monarchs' 83-63 victory over Long Beach Poly in March 2013.

Mater Dei's Stanley Johnson celebrates after making a 3-pointer during the Monarchs' 83-63 victory over Long Beach Poly in March 2013.

Mater Dei's Stanley Johnson and teammates get pumped up before a game against Etiwanda in the CIF-SS Division 1AA championship game in March 2013.

Mater Dei's Stanley Johnson is fouled while trying to score against Canyon in December 2012.

Stanley Johnson, second from left, poses with the rest of the Register's All-County boys basketball team for 2011-12. From left are Gabe York (Orange Lutheran), Johnson, Xavier Johnson (Mater Dei), Coach Troy Roelen (Mission Viejo), Conor Clifford (Ocean View) and Katin Reinhardt (Mater Dei).

Mater Dei's Stanley Johnson was photographed for the Register's All-County boys basketball team for 2011-12.

Mater Dei's Stanley Johnson (41) reaches to block a shot by Long Beach Poly's Jaffar Holmes in the CIF -SS Division 1AA final in March 2012.

Mater Dei's Stanley Johnson gets a hug from Katin Reinhardt (5) as they celebrate winning the CIF -SS Division 1AA title against Long Beach Poly in March 2012.

Mater Dei's Stanley Johnson draws a foul from St. John's Juwan Thomas in a game in February of 2012.

Arizona forward Stanley Johnson reacts while playing Xavier during the second half of a college basketball regional semifinal in the NCAA Tournament in March 2015.

Arizona forward Stanley Johnson dunks as teammate center Kaleb Tarczewski (35) and Kansas State forward Stephen Hurt (41) look on in during a game in November 2014.

Mater Dei's Stanley Johnson puts up a shot in a CIF-SS Division 1AA game against Chino Hills in March 2014.

Mater Dei's Stanley Johnson relaxes after a summer league game at Fairfax High during the summer of 2013.