He also led the team to a 2007 ULEB Summer League title, where he was named MVP.

[8] On 27 December 2010, he signed a three-year extension with his hometown club Žalgiris Kaunas.

[9] In October 2012, however, he announced that he's interested in playing abroad for the first time in Russia's Lokomotiv Kuban Krasnodar.

[15] On 24 July 2018, Kalnietis signed a one-year contract with ASVEL of the French LNB Pro A.

[19] Kalnietis started at point guard for the Lithuanian national basketball team that finished seventh in the 2006 FIBA World Championship.

He also played at the 2010 FIBA World Championship, as a starter, and won a bronze medal.

He missed the 2014 FIBA Basketball World Cup, due to a clavicular dislocation, but returned to the national team at EuroBasket 2015.