In 2008, in the first game of the first round of the China team, Tan Long came off the bench at the last minute and scored a goal at the last minute to help the team win. At the end of the same year, Tan Long went to the United States and successfully joined the Atlanta Blackhawks, a team of the American Football League Development League (PDL).
In 2009, he played for Atlanta Blackhawks, made 12 league appearances and scored 7 goals.
On June 20 10, he signed a contract with Tampa Bay Thug Football Club, an American first-class football team, making 25 appearances and starting 23 times, and scored 3 goals in 1726 minutes.
On 20th 1 1 March11,the newly promoted Vancouver White Hat team of Major League Soccer officially announced the signing of a contract with Tan Long, making him the first China player to join Major League Soccer. On March 27th, he made his debut in the Vancouver White Hat team's 0-/kloc-0 loss to Philadelphia United, becoming the first China player to play in Major League Soccer. 20 1 1 season, Tan Long represented Vancouver White Hat and Vancouver White Hat in the NFL development league reserve team. 10 June 13 In the early morning of the game between the Vancouver White Hatters and Washington United, Tan Long, who started the game, expanded the score for the team with a beautiful header in the 46th minute and won the last two consecutive victories for the team. Tan Long also scored his first goal in Major League Soccer (MLS), which was also the first goal of a China player in a top American league.
In the 20 12 season, Tan Long's playing time in the team was shortened because he complained on Twitter in June that his playing time was too little. On June 28th, Vancouver White Hat Football Club traded Tan Long to United Football Club of Washington, D.C., and United Football Club of Washington, D.C. gave the White Hat team the right to draft in the first round of the 20 15 season as compensation. He scored the team's only goal against Chicago Flame Football Club. At the end of the season, his contract was terminated by DC
20 13 On February 6th, Tan Long signed a one-year contract with Orlando City Football Club, the major American professional football team. At the end of the season, he left the team without renewing his contract.
On February 2 1, 2065438, he returned to China and joined the newly promoted Super League in Harbin Ito. On July 5th, Tan Long terminated his contract with Harbin Ito Football Club. In the first half of the season, he made seven appearances for Harbin Ito team, but failed to score a goal. On July 1 1, Tan Long joined Arizona United, the second division of American football. In September, the league ended, and 12 scored 5 goals, which established the main position in the team and was also selected as the second team officially selected by American B at the end of the season. 151On October 22nd, Tan Long officially signed a contract with Arizona United, and will play for the American Football League II in the 20 15 season.