Hearn landed as a walk-on at Northwestern, for head coachBill Carmody, on a recommendation from Princeton head coach Mitch Henderson. He ultimately earned a scholarship, and became a standout player for the team, by his junior season.[1] As a senior, in the 2012–13 season, Hearn averaged 13.4 points and 4.6 rebounds per game, earning Honorable Mention All-Big Ten Conference.
Hearn played for the Stampede for a full season, and part of another, before being traded to the Westchester Knicks,[2] and ultimately landing with the Reno Bighorns. With the Bighorns, he earned a reputation of one of the G League's top three-point shooters.
On October 10, 2017, Hearn was signed by the Sacramento Kings to a training camp deal.[4]
Detroit Pistons (2018)
On January 15, 2018, Hearn signed a one year, two-way contract with the Detroit Pistons.[5] Hearn made his NBA debut on February 5, playing 2:33 in a 111–91 win against the Portland Trail Blazers and making a three point field goal.[6] The points were the first NBA points by a former Northwestern Wildcat since Geno Carlisle in December 2004, the first by a Northwestern graduate since Evan Eschmeyer in the May 2003 and the first NBA three point shot by a Wildcat since Rex Walters in the January 2000 and the first by a Northwestern graduate since Billy McKinney in 1981.[7] Hearn appeared in a total of three games for the Pistons, but did not score again during the season.[8]
Stockton Kings (2018–2019)
For the 2018–19 season, Hearn joined the Stockton Kings of the G League.[9]
South Bay Lakers (2019–2020)
For the 2019–20 season, Hearn joined the South Bay Lakers of the G League.[10] He posted 23 points, four rebounds, five assists, one steal and a block during a win against the Iowa Wolves on February 25, 2020. Hearn averaged 12.6 points and 3.4 rebounds per game.[11]
NBA G League Ignite (2020–2021)
In October 2020, Hearn signed with the NBA G League Ignite as one of the veteran players to mentor younger prospects.[12] He averaged 3.9 points and 2.6 rebounds in 13 games.[13]
Hearn returned to team USA in 2018, playing on two World Cup qualifying teams. In five qualifying games, he averaged 12.2 points and 4.2 rebounds, while shooting 64% from three-point range. For his efforts, Hearn was named the 2018 USA Basketball Male Athlete of the Year.[18]