Tolliver spent 13 seasons in the National Basketball Association (NBA) with the San Antonio Spurs, Portland Trail Blazers, Golden State Warriors, Minnesota Timberwolves, Atlanta Hawks, Charlotte Bobcats, Phoenix Suns, Detroit Pistons, Sacramento Kings, Memphis Grizzlies and Philadelphia 76ers.

At Creighton, Tolliver played in a reserve role during his freshman season behind veterans Brody Deren, Mike Grimes, and Joe Dabbert, but saw action in 27 games.

Tolliver earned second-team all-MVC honors during his junior season and had a memorable last-second shot to win a game against Wichita State on January 28, 2006.

[2] After going undrafted out of Creighton in 2007, Tolliver spent the preseason with the Cleveland Cavaliers, making the opening-day roster, but never playing.

[3] He spent much of the 2007–08 season with the Iowa Energy of the NBA Development League, averaging 11.5 points and 6.4 rebounds per game,[4] Tolliver later joined collegiate teammate Nate Funk with Eisbären Bremerhaven of the German Basketball Bundesliga.

[3] Following a stint in Germany which saw him average 14.3 points and 7.3 rebounds per game,[5] Tolliver was signed by the San Antonio Spurs in July 2008.

Tolliver was averaging 12.6 points and 8.1 rebounds per game with the Energy when he signed with Galatasaray Café Crown of the Turkish Basketball League.

[29] On January 20, 2020, Tolliver was traded back to the Sacramento Kings along with Kent Bazemore and two future second round picks in exchange for Trevor Ariza, Wenyen Gabriel and Caleb Swanigan.

[36] On August 27, he was waived by the Sixers[37] after playing 11 games and averaging 1.5 points[38] 0.9 rebounds and 0.2 assists [38] On December 26, 2021, the New Orleans Pelicans signed Tolliver to a 10-day contract via the hardship exception.

[42] In 2020, Tolliver participated in a group of NBA players that visited the Vatican to discuss social and economic inequality with Pope Francis.

[44] By February 2020, the charity had funded the construction of ten wells in Tanzania and Kenya, bringing water to over 52,000 citizens.