He played college football at Wyoming, and signed with the Cleveland Browns as an undrafted free agent in 2012. Gipson was a three-sport star at Kimball High School in Dallas, playing football and basketball while also running track. He had an outstanding career and especially an outstanding senior year on the gridiron.
He was named the Most Valuable Player of the 4A District 14 Dallas City League and also earned First Team All-District honors both as a cornerback and as a returner.
On defense, Gipson made 35 tackles, broke up nine passes and recovered two fumbles. On offense and special teams, he accumulated more than 1,400 all-purpose yards and scored 14 touchdowns while serving as an offensive team captain.
During his career, he played quarterback, wide receiver, free safety and also returned punts and kicks. He was recruited by Baylor, Louisville, Fresno State and Idaho.
At Wyoming, both Gipson brothers played cornerback from 2008-2010 for the Wyoming Cowboys football team
Gipson"s season year in 2011 proved to be his best statistically with 95 total tackles (73 solo 22 assist) with 0.5 sacks, 1 forced fumble, and 3 interceptions. During his senior season, Tashaun started the season by playing at the cornerback position, but for the final 8 games of the season he played at the safety position. Gipson had 3 interceptions as a junior in 2010, and 3 interceptions as a sophomore in 2009.
Gipson started every game of his collegiate career at Wyoming.
Gipson went undrafted in the 2012 NFL draft. On May 9, 2012, he was signed as an undrafted free agent by the Cleveland Browns.
In Week 14 of the 2012 season, Gipson recorded his first NFL interception against the Kansas City Chiefs. He finished his rookie season with the Browns accumulating 33 tackles and an interception.
Gipson entered the 2013 season as the starting free safety.
He also recorded a crucial interception against the Detroit Lions on October 13, 2013. He intercepted Jay Cutler on the starting possession at the goal line to force a crucial stand. 2014 season
Gipson entered the 2014 season coming off a breakout season the year prior.
He put up gaudy numbers in the first 11 games of the season by recording 6 interceptions and 1 force fumble.
The 2014 season ended for Gipson in week 12 against Atlanta Falcons during a pass break up. lieutenant was determined that Gipson sprained his Master of Comparative Laws. Upon the conclusion Gipson finished 2nd in the NFL in interceptions despite missing the last 5 games.
He was selected to his first pro bowl as a result of his stellar season. Since the beginning of the 2012 season, only Richard Sherman has more interceptions than Gipson
Gipson finished the season with 60 combined tackles, 7 assisted tackles, and 2 interceptions from the opening week game versus the New York Jets and a Week 5 matchup versus the Arizona Cardinals.
On March 10, 2016, the Jacksonville Jaguars signed Gipson to a 5 year contract worth $35.5 million.