|Full name||Boris Alexis Rieloff Venegas|
|Date of birth||8 January 1984|
|Place of birth||Santiago, Chile|
|Height||1.86 m (6 ft 1 in)|
|Playing position||Right back|
|2011||Gimnasia La Plata||10||(0)|
|2012||→ Iquique (loan)||36||(6)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 22 November 2015.
Rieloff began his career at Audax Italiano football academy for then be promoted to the first-adult team in 2004. After playing six seasons at the Italic club he didn’t renew his contract in December 2010, so Audax board honored him for his years playing at Estadio Bicentenario de La Florida during a game with Unión Española.
After his departure, was heavy linked with Universidad de Chile and Colo-Colo, but he refused them for an alleged offer from Argentina. Finally, on 15 January 2011, Rieloff was presented at Argentine Primera División side Gimnasia La Plata as club’s new signing, which he reached a six-month deal.
- "Audax Italiano homenajeó a Boris Rieloff en su despedida". Audaxitaliano.cl. 12 December 2010. Retrieved 28 May 2015.
- "Boris Rieloff a un paso de firmar en Gimnasia y Esgrima de La Plata: "Allá creceré mucho"". Audaxitaliano.cl. 12 December 2010. Retrieved 28 May 2015.
- "Boris Rieloff fue presentado como refuerzo en Gimnasia y Esgrima de La Plata". Audaxitaliano.cl. 12 December 2010. Retrieved 28 May 2015.