Former St. Mary’s High School standout Mick Riordan has transferred to Dream City Christian Prep for his final year of high school basketball. The 6-foot-4 guard enters the move with a strong reputation as an elite shooter, a proven big-game performer and one of the more intriguing prospects in Arizona’s 2027 class.
Riordan’s junior season gave college coaches plenty of reasons to pay attention, as he helped St. Mary’s finish 23-7 and reach the Open Division State Championship Game, while playing alongside former Arizona standout and Duke signee Cam Williams, 2028 star prospect Carter Bagley and several other high-level players. Even on a talented roster, Riordan consistently found ways to make an impact.
His most memorable performance came in the Open Division semi-finals against nationally ranked Millennium High School. With St. Mary’s needing one final play, Riordan launched a 35-foot fallaway three-pointer at the buzzer that went straight through the net and gave the Knights a thrilling 66-64 victory. The shot quickly became one of the most recognizable highlights of the Arizona high school season. It was shared nationally and featured on ESPN’s SportsCenter, putting Riordan’s name in front of an even larger audience. That moment captured what makes him such an appealing prospect. Riordan is comfortable taking difficult shots, but he does not rely solely on contested jumpers or highlight plays. He has the shooting range to punish defenses from well beyond the three-point line, the footwork to create separation and the confidence to take important shots when the pressure is highest. He can knock down catch-and-shoot attempts, rise over defenders in the mid-range or pull up off the dribble when a possession breaks down. His size and length make his release difficult to bother, while his deceptive athleticism allows him to finish plays in more ways than many defenders expect.
The biggest development in his game has been his growth as an all-around guard. Riordan has always been a natural scorer, but his feel for the game allows him to contribute as a passer, secondary ball handler and decision-maker. He can play either guard position, initiate offense when necessary and keep the ball moving when operating away from it. That versatility should be especially valuable at Dream City Christian Prep.
Riordan will be entering a new program with different teammates, responsibilities and expectations. Rather than simply continuing the role he held at St. Mary’s, he will have the opportunity to show that he can become a central piece of a team competing against elite national competition. The transition will require adjustment, but it could also create the ideal environment for his game to expand.
Dream City Christian Prep gives Riordan a chance to showcase his scoring ability in a new setting, while proving that his production can translate beyond one program. He will have opportunities to handle the ball more, create for others and demonstrate that he can influence games even when his shot is not falling. That is an important part of his evaluation.
College coaches already know Riordan can shoot. His senior season will be about showing the complete package: consistent defense, reliable playmaking, toughness, decision-making and the ability to lead a talented roster. If he can put those pieces together, his recruitment should change quickly.
Riordan currently holds a Division-I offer from Utah Tech, but his skillset should attract much more attention during his senior year. High-level programs are always searching for guards who can space the floor, make quick decisions and punish defensive mistakes, and Riordan fits that profile.
His recruitment should also benefit from his recent competition with AZ Select on the Under Armour Circuit over the spring and summer. That platform gave him opportunities this off-season to face some of the best players in the country, while competing in front of college coaches throughout the NCAA Evaluation Period.
His senior season will allow him to show that he is more than a specialist. Riordan has the size to defend multiple perimeter positions, the intelligence to make the right pass and the offensive creativity to generate points when a team needs a basket. His ability to play on or off the ball gives coaches flexibility when building a lineup around him. That combination makes him one of the more overlooked prospects in the state.
Arizona has produced plenty of talented guards, but few players in the 2027 class offer Riordan’s blend of shooting, size, experience and late-game confidence. His buzzer-beater against Millennium was spectacular, but it was also consistent with the way he approaches the game. He is not afraid of difficult moments. Now he will have an entire senior season to build on that reputation.
A strong start at Dream City Christian Prep could quickly make Riordan one of the most discussed recruiting prospects in Arizona. If he produces at a high level, defends with consistency and continues to show growth as a creator, additional Division-I offers should follow.
The move to Dream City Christian Prep represents more than a transfer. It is an opportunity for Riordan to redefine his role, expand his game and prove that he belongs among the top senior prospects in the West. He already has the shooting ability to change a game. Now he will look to show that he can control one as well.
I’ll be following Mick Riordan throughout his senior season and tracking how his performance at Dream City Christian Prep impacts his overall college recruitment.

