Career
Lešić play in young categories of KK Požarevac, KK Superfund and KK Partizan. His pro career stars in Vizura then in senior team of Superfund where he averaged 16.4 points, 6.2 rebounds and 1.1 assists in 25 games. In 2009 he signed a four-year deal with Serbian champions KK Partizan.
In November 2010 Lešić signed to Crvena zvezda four-year deal after the agreement terminated the contract with Partizan.
In August 2012 he signed with Ukrainian team Khimik. In August 2013, he signed a one-year deal with Radnički Kragujevac.
In July 2014, he signed with the Russian team Yenisey Krasnoyarsk. In August 2015, he signed with Union Olimpija.