The 2017–18 Oklahoma City Thunder season was the 10th season of the franchise in Oklahoma City and the 52nd in the National Basketball Association (NBA). This season was headlined by the acquisitions of All-Star players Paul George and Carmelo Anthony in trades with the Indiana Pacers and New York Knicks respectively, in addition to the reigning MVP Russell Westbrook signing a five-year extension worth $205 million. The trio was dubbed the "Big Three" as well as "OK3". The Thunder clinched their playoff berth for the eight time in the last nine seasons with a win over the Miami Heat in a rematch of the 2012 Finals on April 9, 2018.

Paul Clifton Anthony George is an American professional basketball player for the Los Angeles Clippers of the National Basketball Association (NBA). Nicknamed "PG-13", he is a nine-time NBA All-Star and six-time member of the All-NBA Team, as well as a four-time member of the NBA All-Defensive Team.