At club level, he made a century of appearances for four teams: 1. FC Köln, Karlsruher SC and 1860 Munich in Germany and Roma in Italy, and spent a season apiece with Juventus, Borussia Dortmund and SV Salzburg.
Häßler also appeared over 100 times for the Germany national team.
Disappointed about his season in Dortmund, Häßler left the club towards Bavaria and signed a contract with TSV 1860 Munich.
He spent four very successful years in Munich and became an important part of the team.
Already in his first season the club reached a sensational fourth place in the Bundesliga.
After they failed to win against Leeds United in the qualification for the UEFA Champions League, Häßler and his team participated in the UEFA Cup.
But also with 1860 Munich he failed to overcome the competition's third round.
In the following two years, the club took part in the UEFA Intertoto Cup but didn't manage to succeed.
1966
Thomas Jürgen "Icke" Häßler (born 30 May 1966) is a German former professional footballer.
He played as a midfielder throughout his career.
1984
He began his professional career in 1984 with 1. FC Köln of the Bundesliga, for whom he played six successful years, helping the club to become Bundesliga runners-up in 1989 and 1990.
1986
Although he is considered one of the best German footballers of all time, he did not win a single major club title, having lost the UEFA Cup final with 1. FC Köln in 1986, the Coppa Italia final with AS Roma in 1993 and the DFB-Pokal final with Karlsruhe in 1996.
1989
Overall, Häßler chalked up an entertaining 539 games and a total of 81 goals throughout a football career in which he was voted Footballer of the Year (Germany) in 1989 and 1992.
1990
He was a member of the teams which won the 1990 FIFA World Cup (as West Germany) and UEFA Euro 1996.
Soon after winning the 1990 World Cup with the German national team in Italy, Häßler transferred to Juventus for a sum of DM15 million.
He spent only one year in Turin before he decided to join another Italian club, A.S. Roma, for a fee of DM14 million.
This time he stayed for three years, making 88 appearances and scoring 11 goals.
1994
He also appeared at the 1994 and 1998 FIFA World Cups, the 1992 and 2000 UEFA European Championships, and the 1988 Olympic Games.
Born in West Berlin, Häßler spent his early playing days in the youth team of Reinickendorfer Füchse.
In 1994, however, Häßler wanted to return to the Bundesliga.
Despite offers from some of the biggest German clubs, he decided to sign with Karlsruher SC in a DM7 million deal, the highest transfer sum the club has ever spent.
1996
In the following three years, Karlsruhe and its new key player achieved positions in the upper third of the table which resulted in UEFA Cup participations in 1996–97 and 1997–98.
By winning the UEFA Intertoto Cup in 1996, Karlsruhe not only qualified for the UEFA Cup but also accomplished to throw out Häßler's former club AS Roma in the second round of the tournament.
In the first leg of the third round, Häßler scored twice in his team's 3–1 win over Brøndby IF in Copenhagen.
However, shortly after this win Häßler received the first big injury in his career when he broke his leg in a league match against Fortuna Düsseldorf.
Without its captain, Karlsruhe played a catastrophic second leg and was eliminated from the tournament after a 0–5 home defeat.
Following his recovery, Häßler returned for the last two games of the season and helped his team to finish in sixth place in the 1996–97 season, securing another year of international football competition.
In the end, once again the club failed to survive the third round.
1997
At the end of the 1997–98 season, the club's situation had worsened significantly.
For the first time in his career, Häßler was confronted with a possible relegation.
Feeling the pressure he once more showed his extraordinary skills and scored four goals in the last three games of the season.
Despite Häßler's performances, Karlsruhe lost its last match in a dramatic season final and was relegated from the Bundesliga.
Due to a contract clause, Häßler could leave Karlsruhe immediately on a free transfer.
He decided to join Borussia Dortmund, which had won the UEFA Champions League in 1997.
There he met the later assistant of the German national team, Michael Skibbe, then with 32 years the youngest head coach in the history of the Bundesliga.
In the course of the season, there were some serious disputes between Häßler and Skibbe because the latter entrusted the midfield leadership to Andreas Möller.
In the end, Häßler made only 18 appearances and never played over the full 90 minutes.
2002
After the 2002–03 season, Häßler left Munich to finish his career in Austria.
2003
In 2003, Häßler signed a one-year contract with the Austrian club SV Salzburg.
He made 19 appearances and reached a seventh place in the 2003–04 season before he announced his retirement.
