Between head coaching stints at Golden State and Sacramento, Musselman served as an assistant for the Memphis Grizzlies under Mike Fratello.

There, he played on the same high school basketball team as former NBA player Scott Roth and former NFL Pro Bowl punter/quarterback Tom Tupa.

Musselman graduated from the University of San Diego, where he played basketball for Jim Brovelli and Hank Egan, both of whom would later work as NBA assistants.

[2] Prior to joining the Thrillers, Musselman worked for the NBA's Los Angeles Clippers as an assistant to General Manager Elgin Baylor and Barry Hecker, the team's director of scouting.

According to Ailine Voisin, a sports columnist for The Sacramento Bee, "[Musselman] drinks so infrequently, in fact, that he can count the number of beers he consumes per month.

Under his watch, several players, including Marcus Landry, Jeremy Lin, Courtney Fortson, Donald Sloan and Hassan Whiteside were called up to the NBA and the Bighorns finished 34–16 and first in the D-League Western Conference.

The D-Fenders, who finished with the best defensive FG percentage in the league, advanced to the D-League finals before losing to the Austin Toros, in a three-game series.

[14] In early March 2016, Bleacher Report named Musselman the Mountain West Coach of the Year after guiding the Wolf Pack to an 18–12 record, a 9-win improvement over the previous season.

[17] According to Chris Murray, a reporter who covered the team for the Reno Gazette-Journal, "No coach in Nevada basketball history has done a better job of getting everything out of the talent on the roster.

[20] Musselman was named 2017–18 Mountain West Coach of the Year after guiding the Wolf Pack to a 15–3 conference record and the MWC regular season title.

In Round 2, Nevada rallied from a 22-point deficit to upset second-seeded Cincinnati, 75–73, propelling the Wolf Pack to its second Sweet 16 appearance in school history.

[25] Brown became the highest-ranked recruit to commit to Nevada since Reno native Luke Babbitt pledged to play for his local school in 2008.

A week later, Nevada, Reno rallied in the 2nd half to defeat #20 Arizona State 72–66 in the Staples Center in Los Angeles, California.

In front of the 12th-largest crowd in Lawlor Events Center History, the Wolf Pack honored its Seniors beating San Diego State 81–53, and earning its third straight Mountain West Conference regular season title.

[28] Musselman joined Mark Few (Gonzaga), Dave Rose (BYU), Steve Fisher (SDSU), Steve Alford (New Mexico), and Shaka Smart (VCU), as recent mid-major coaches with four-year spans of 25+ wins per season, 3+ tournament appearances, 2+ tournament wins, and at least one week in AP Top 10.

In his fifth season, Arkansas struggled throughout SEC play after beating Duke in the non-conference, breaking the Bud Walton Arena attendance record in that game for the second time in his tenure.

On April 4, 2024, Musselman was hired as the head coach at the University of Southern California, replacing Andy Enfield, who departed for the job at SMU.

"[35] As head coach of the Golden State Warriors, Musselman would often use "three-guard rotations to create mismatches and fast-break opportunities for his club.

"[45] In a May 9, 2013, article by CBSSports.com college basketball writer Gary Parrish, Arizona State guard Jahii Carson credited Musselman with helping him develop as a player.

"[49] In late December 2007, FOX Sports reported that Musselman was a likely candidate to replace 71-year-old Eddie Sutton at the University of San Francisco after this season.

[51] In March 2008, Musselman's name surfaced in published reports about the California and Loyola Marymount head coaching positions.

[52] On August 30, 2012, Andy Katz reported on ESPN.com's College Basketball Nation Blog that Arizona State University was in talks to hire Musselman as an assistant coach on Herb Sendek's staff.

Now, ASU has multiple options and while it still grinds out wins (see OT game in the 50s to beat Utah), the Sun Devils are 2–0 in the Pac-12 and 13–2 heading to the Oregon schools.

"[56] On January 9, 2013, ESPN's Jason King wrote that "adding former NBA head coach Eric Musselman...to his staff has also been a huge plus for Sendek and his players."

Quoted in King's story, Arizona State center Jordan Bachynski said, "When [Musselman and Greer] speak, guys listen, just because they have that credibility from being in the league.

'"[57] In a radio interview after the 2012–13 season, Arizona State athletic director Steve Patterson said, "I think Eric's going to have opportunities to look at head coaching jobs.

"[58] In a March 26, 2013, post on the ESPN Los Angeles UCLA blog, Peter Yoon described Musselman as one of the "best under-the-radar candidates out there.

In May 2011, the FIBA World Championship website reported that Musselman had interviewed for the head coaching position of the Puerto Rico men's national basketball team.

[71] Musselman guided Venezuela to a runner-up (silver) finish at the 2012 FIBA Men's South American Championship, posting a 3–2 record.

[73] Musselman and his wife Danyelle Sargent, a former on-air personality and anchor for ESPN, FOX Sports, and the NFL Network, have a daughter together.