On July 8, 2018, Paul signed a four-year, $160 million maximum contract extension with the Rockets. Paul received a two-game suspension early in the 2018–19 season for his involvement in an on-court fight against the Los Angeles Lakers on October 20. Additionally, Paul was fined a total of $491,782 for his role in the fracas. On December 11, he recorded a triple-double with 11 points, 11 rebounds and 10 assists in a 111–104 win over the Trail Blazers. On December 20, he suffered a left hamstring strain against the Miami Heat. He subsequently missed 17 games, returning to action on January 27 against the Orlando Magic. On February 23, he recorded 23 points and a season-high 17 assists in a 118–112 win over the Warriors. On March 10 against the Dallas Mavericks, Paul passed Isiah Thomas (9,061) to move into seventh on the NBA's all-time career assists list. He averaged 15.6 points, 4.6 rebounds, and 8.2 assists last season while shooting 41.9 percent from the field and 35.8 percent from three-point range during the 2018–19 season.