Born in Neustadt an der Weinstraße, Basler started his career with 1. FC Kaiserslautern, making only one league appearance. In 1993, he joined Bundesliga club SV Werder Bremen, after previously playing for Hertha BSC and Rot-Weiss Essen in the 2. Bundesliga. With Bremen, Basler won the DFB-Pokal in 1994 and finished runner-up in the Bundesliga in 1995. During the 1994–95 season, he was joint top-goalscorer in the Bundesliga with 20 goals.
Basler joined FC Bayern Munich in 1996, where he won the Bundesliga title in 1997 and 1999, and scored the club's winning goal in the 1998 DFB-Pokal final. Basler also scored the opening goal for Bayern Munich in their 1999 UEFA Champions League Final against Manchester United at Camp Nou, Barcelona with a free-kick in the sixth minute of the game. Bayern went on to lose the match 2–1.3
Basler rejoined Kaiserslautern in 1999, reaching the UEFA Cup semi-finals in 2001 and the final of the 2002–03 DFB-Pokal, where die roten Teufel were beaten by Basler's former club Bayern Munich.
Basler played 30 games for the Germany national team between 1994 and 1998 and scored two goals. He was named in the squad for the 1994 World Cup, and Euro 1996, the latter of which Germany won, although Basler didn't make any appearances in the tournament.
Basler began his coaching career 2004 as head coach of SSV Jahn Regensburg but was sacked after few months. In July 2007, he became assistant coach of TuS Koblenz. After only one year he left TuS Koblenz to sign a contract as head coach and manager with SV Eintracht Trier 05. On 21 February 2010, he was fired by his club Eintracht Trier.4 He was appointed as manager of SV Wacker Burghausen in August of the same year. When Burghausen was relegated at the end of the 2010–11 season, Basler was sacked.5
Basler took over as coach of Rot-Weiß Oberhausen in October 2011 but resigned from his position on 14 September 2012 after four losses in seven games.6
In February 2015, Basler got the job as sports director for 1.FC Lokomotive Leipzig.7
Werder Bremen
Bayern Munich
Germany
Individual
"Eisenberg: Mario Basler kickt künftig für die TSG". Die Rheinpfalz (in German). 21 June 2019. Retrieved 10 September 2019. https://www.rheinpfalz.de/lokal/gruenstadt/artikel/eisenberg-mario-basler-kickt-kuenftig-fuer-die-tsg/ ↩
Hackett, Robin (25 July 2012). "Mario Basler: FC Hollywood superstar". ESPN. Retrieved 5 November 2019. https://www.espn.com/soccer/columns/story/_/id/1127105/the-mavericks:-mario-basler ↩
Jackson, Bobbie (15 March 2023). "Real Madrid v Liverpool: The greatest comebacks in Champions League history". BBC Sport. Retrieved 15 March 2023. https://www.bbc.co.uk/sport/football/64882764 ↩
"Trainerwechsel beim SVE" (in German). SV Eintracht Trier 05. 21 February 2010. Archived from the original on 29 July 2012. Retrieved 21 February 2010. https://archive.today/20120729170110/http://www.eintracht-trier.com/6496.html ↩
"Burghausen setzt Basler vor die Tür" (in German). Kicker. 14 May 2011. Retrieved 21 May 2011. https://www.kicker.de/burghausen-setzt-basler-vor-die-tuer-552497/artikel ↩
"Basler tritt in Oberhausen zurück" (in German). Kicker. 14 September 2012. Retrieved 15 September 2012. https://www.kicker.de/basler-tritt-in-oberhausen-zurueck-574877/artikel ↩
"Ex-Nationalspieler: Basler wird Geschäftsführer bei Lok Leipzig" (in German). spiegel.de. 21 January 2015. http://www.spiegel.de/sport/fussball/mario-basler-wird-neuer-geschaeftsfuehrer-bei-lok-leipzig-a-1014166.html ↩
"Deutscher Supercup, 1993, Finale". dfb.de. 16 October 2014. Retrieved 5 November 2020. https://www.dfb.de/supercup/das-spiel/?spieledb_path=%2Fmatches%2F1972324 ↩
"Deutscher Supercup, 1994, Finale". dfb.de. 16 October 2014. Retrieved 5 November 2020. https://www.dfb.de/supercup/das-spiel/?spieledb_path=%2Fmatches%2F1972325 ↩
"Bundesliga Historie 1994/95" (in German). kicker. Archived from the original on 18 October 2012. https://web.archive.org/web/20121018190450/http://www.kicker.de/news/fussball/bundesliga/bl50/199495/startseite.html ↩