Whilst suffering from the knee injury in the first half of the season he had his breakthrough game against Lokomotiv Kuban Krasnodar in the EuroLeague tournament, scoring 14 points with 6 rebounds.

[1] Gudaitis vastly improved during the regular season, and was called an x-factor of victorious LKL semi-final series against Lietuvos rytas Vilnius.

[9] On 1 February 2019, during an away game against Herbalife Gran Canaria, Gudaitis suffered an ACL injury that left him sidelined for the remainder of the 2018–2019 season.

On 10 July 2020 Gudaitis moved to Russian club Zenit of the VTB United League and the EuroLeague on a two-year deal.

[20] On 10 July 2015, the Sacramento Kings acquired Gudaitis and Luka Mitrović from the Philadelphia 76ers in exchange for Carl Landry, Jason Thompson, and Nik Stauskas.

[23] On 8 February 2018, the Cleveland Cavaliers acquired rights to Gudaitis after they completed a three-team trade with the Sacramento Kings and Utah Jazz.

[25] In 2015 Gudaitis was included in the Lithuania men's national basketball team head coach Jonas Kazlauskas extended candidates list and was invited to the training camp.