 On December 16, Rubio put up his first triple-double with the Suns with 10 points, 11 rebounds, and 14 assists in a 111–110 loss to the Portland Trail Blazers.On February 24, 2020, Rubio put up 22 points, 11 assists, 7 steals, and 6 rebounds in a 131–111 win over his former team, the Utah Jazz.He became the first Suns player to put up at least 20+ points, 10+ assists, and 7+ steals in a game since Kevin Johnson back in 1996.