Sheldon Mac (born Sheldon Reeves McClellan ; December 21, 1992) is an American professional basketball player for the Washington Wizards of the National Basketball Association (NBA). He played college basketball for the Texas Longhorns and the Miami Hurricanes.
High school career
McClellan attended Bellaire High School under Bruce Glover. As a senior, he averaged 25.6 points, 7.2 rebounds, 5.0 assists and 2.0 steals per game while helping Bellaire to a 20–9 mark and the first round of the Class 5A state playoffs.
McClellan began his collegiate career at Texas. In his freshman year, he averaged 11.2 points per game. He averaged 13.2 points in his sophomore season. After his sophomore season, he elected to transfer to Miami. 
In his junior season at Miami, McClellan averaged 14.5 points, 4.7 rebounds, 1.9 assists in 33.6 minutes per game. He was an Honorable Mention All-ACC selection as a junior.  McClellan was listed on the Oscar Robertson Award preseason watchlist  as well as the Naismith College Player of the Year preseason watchlist.  McClellan averaged 16.3 points, 3.2 rebounds, 1.6 assists, 1.0 steals and 0.3 blocks in 32.9 minutes per game as a senior. On March 6, 2016, McClellan was named to the Second-Team All-ACC. 
Washington Wizards (2016–present)
After going undrafted in the 2016 NBA draft, McClellan signed with the Washington Wizards on September 23, 2016.  He made his debut for the Wizards in their season opener on October 27, 2016, recording seven points and two steals in four minutes off the bench in a 114–99 loss to the Atlanta Hawks.  With starting shooting guard Bradley Beal out injured on November 12, 2016 against the Chicago Bulls, McClellan made his first career start and subsequently scored a season-high 15 points in a 106–95 loss.  On December 6, 2016, he was assigned to the Delaware 87ers of the NBA Development League, pursuant to the flexible assignment rule.  On December 18, 2016, he was recalled by Washington.  On April 4, 2017, he was assigned to the Rio Grande Valley Vipers.  He was recalled by the Wizards a week later. 
In a preseason game on October 8, 2017, Mac suffered a serious injury to his lower left leg, with the Wizards fearing a tear to his left Achilles' tendon. 
NBA career statistics
|GP||Games played||GS||Games started||MPG||Minutes per game|
|FG%||Field goal percentage||3P%||3-point field goal percentage||FT%||Free throw percentage|
|RPG||Rebounds per game||APG||Assists per game||SPG||Steals per game|
|BPG||Blocks per game||PPG||Points per game||Bold||Career high|
In February 2017, McClellan had his name legally changed to Sheldon Mac, citing that the McClellan surname came from his father, with whom he has no relationship.