Mack Hollins was born on September 16, 1993, in Rockville, Maryland. He is a wide receiver in the National Football League.
In high school, he played wide receiver and defensive for four seasons at Wootton High School before spending a postgrad year at Fork Union. He also participated in lacrosse and basketball, played for John Shuman at Fork Union.
On 2013 as a freshman he was named special teams captain after appearing in all 13 games, he played on most special teams and as a reserve wide receiver, finished the regular season with nine tackles and recovered a fumble against Duke, Hollins joined the team as a walk-on prior to the 2012 season and redshirted.
As a sophomore in 2014, Hollins earned honorable mention All-ACC accolades after finishing with 35 catches for a team-high 613 yards. He also had a team-best eight receiving touchdowns. One of Carolina’s best special teams players, he also had seven tackles and recovered an onside kick. Earned ACC Receiver of the Week honors after catching two passes for 120 yards and two touchdowns against Virginia. Both touchdowns were over 50 yards (57 and 63), making Hollins the first Tar Heel to have two touchdown receptions of 50+ yards since Hakeem Nicks in 2008. Reeled in a 91-yard touchdown pass in the win over San Diego State University.
As a junior in 2015, Hollins led all NCAA major college players with an average of 24.8 yards per reception. Caught at least one pass in all 13 games and found the end zone in seven different contests, including five of UNC’s six wins Picked up his second ACC Receiver of the Week honor after catching five balls for 165 yards and a 74-yard touchdown in the win over Duke. He became the first Tar Heel to catch three touchdown passes since 2011 when he tallied three scores against Wake Forest. His first ACC Receiver of the Week honors of the year came after catching three passes for 100 yards and two touchdowns in the win over Delaware.
As a senior in 2016 Hollins fractured his clavicle in a 20-13 win at No. 16 Miami (seventh game of the season), he started seven games and had 16 catches for 309 yards (19.3 avg.), later on, he injured his clavicle on a 49-yard reception in a 20-13 win at No. 16 Miami, Hollins made two catches for eight yards against Virginia Tech , caught five passes for 69 yards and a touchdown in the road win at No. 12 Florida State, made one catch for 39 yards and a touchdown against Pitt before sitting out most of the fourth quarter with an injury, caught three passes for 94 yards, including a 71-yard TD, in a 56-28 win over JMU. Finished the Illini game with three catches for 44 yards, made one reception for six yards in the season opener vs. No. 18 Georgia.
On March 17, 2022, Hollins signed with the Las Vegas Raiders. The following season, Hollins joined the Atlanta Falcons in 2023.