A power forward who was known as a three-point marksman, Garrity played for the Phoenix Suns and the Orlando Magic.

At Lewis-Palmer High School in Monument, Colorado, Garrity was a starter on the basketball team for four seasons and won all-state honors three times.

[a][9] Garrity's rights, along with Martin Müürsepp, Bubba Wells, and a first-round draft pick, were traded to the Phoenix Suns in exchange for Steve Nash.

[12][13][14][15] In Phoenix, Garrity averaging 5.6 points per game in 39 appearances (in an NBA lockout-shortened 50-game regular season).

[16] That season, on November 2, 2002, Garrity scored 13 points and grabbed a career-high 15 rebounds in a 100–90 win over the Bucks.

In April 2005, he tore the anterior cruciate ligament (ACL) in his right knee and was ruled out for the rest of the season.

[26] Garrity worked for a financial firm before returning to the NBA[27] as director of strategic planning for the Detroit Pistons.