|Full name||Simon Grether|
|Date of birth||20 May 1992|
|Place of birth||Fribourg, Switzerland|
|Height||1.78 m (5 ft 10 in)|
|Playing position||defender or midfielder|
|2013||→ Bellinzona (loan)||9||(0)|
|2013–2014||→ Winterthur (loan)||21||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 29 August 2016.
‡ National team caps and goals correct as of 6 February, 24:00 (UTC)
Grether started his youth football with local team FC Reinach. In 2006, he transferred to Basel and there he progressed through the ranks. He played in their U-16 and U-18 teams. With both he won the Swiss championship. Later he played in their U-21 team before he signed a two-year professional contract on 24 May 2012. He then joined their first team. He made his first team debut in the Swiss Super League on 13 July 2012, being substituted in, during the 1–0 away win against Servette. He played his first European match in a UEFA Champions League preliminary stage match against Flora Tallinn on 24 July 2012 as Basel won 3–0.
On 31 January 2013 it was announced that Grether was loaned out to Bellinzona in the Swiss Challenge League. He stayed there until the end of the season, playing in nine games. At the beginning of the next season Basel announced that Grether was loaned out to Winterthur.
Grether played his first ever international game for the Switzerland U-18 team on the day before his 18th birthday. On 19 May 2010 the Swiss team beat Ukraine U-18 2–0. Grether made his debut for the Switzerland U-19 team in the 1–1 draw with Czech Republic U-19 on 4 September 2010. He played his debut for the Switzerland U-20 team in the 3–2 win against the Italian U-20 on 31 August 2011.
On 6 February 2013 Grether made his debut for the Swiss U-21 team in the El Madrigal stadium in Villarreal, Spain, being substituted in in the 79th minute. The game ended with a 0–1 defeat against the Slovakian U-21 team.
Titles and honours
- Swiss champion at U-16 level: 2007–08
- Swiss Cup winner at U-16 level: 2007–08
- Swiss Champion at U-18 level: 2009–10 
- Profile at FC Basel (in German)
- Simon Grether on the website of the Swiss Football League
- Simon Grether at Soccerway
- Marti, Caspar (2010). "Die U18 des FCB ist Schweizer Meister!" (in German). FC Basel 1893. Retrieved 2 May 2010.
- FC Basel 1893 (2012). "Simon Grether: Profivertrag bis 2014" (in German). FC Basel 1893. Retrieved 24 May 2012.
- blick.ch (2013). "Zwei FCB-Talente von Muri zu Haki!". blick.ch. Retrieved 31 January 2012.
- FC Basel 1893 (2013). "Profiverträge für Nachwuchsspieler und Leihverträge für Profispieler" (in German). FC Basel 1893. Retrieved 2013-06-20.
- FC Basel 1893 (2008). "Zwei weitere Nachwuchstitel für den FCB" (in German). FC Basel 1893. Retrieved 2008-06-15.