He was also twice named first-team all-state and was runner-up for Mr. Basketball honors in Ohio as a senior finishing behind NBA star LeBron James.

As a senior, he led the team in scoring (17.7 ppg), assists (6.4 apg) and was tied for first in steals (1.55 spg), while shooting 42 percent from three-point range.

[2] Having not been selected in the 2006 NBA draft, Quinn signed a partially guaranteed contract with the Miami Heat, and played for the team in the Orlando Summer League.

In a February 5 bout against the Charlotte Bobcats, Quinn started his first ever game for the Heat, filling in for a suspended Gary Payton, and scored 14 points.

In 2007–08, with Payton's retirement and constant injuries to Dwyane Wade and Smush Parker, Quinn garnered more playing time, especially before the February trade that brought Marcus Banks from the Phoenix Suns.

[11] On September 17, 2014, Quinn was hired as an assistant coach by the NBA team that originally signed him as a player, the Miami Heat.

He has every base covered when you talk about checking the boxes to have the ability to be a successful head coach.” On April 3, 2022, Spoelstra entered team health and safety protocols.

Quinn once again served as substitute head coach for the Heat, which was Kyle Lowry's first game against his previous team, the Toronto Raptors.

He's an emotionally stable leader who inspires confidence in players, as revealed when he filled in for Spoelstra as head coach for a stint in March and April.