The Thunder and guard Shai Gilgeous-Alexander have agreed to a four-year, $285 million deal, The $71.25 million average is the highest in NBA history.

Oklahoma City Thunder superstar Shai Gilgeous-Alexander signed a record-breaking contract extension on Tuesday after his historic season.

Oklahoma City Thunder star Shai Gilgeous-Alexander has agreed a four-year $285 million contract extension, the richest per-year contract in NBA history, US media reports said Tuesday.The 26-year-old Canadian point guard has two years remaining on his existing contract with Oklahoma City worth $79.