Per BB Reference, #Rockets have SEVEN players in the top 20 in Defensive Win Shares. The entire starting lineup + the Terror Twins:

Jabari Smith Jr.'s last five games are emblematic of his inconsistent shooting. A switchable, talented defender, he sometimes disappears on offense. For the Rockets to remain at the top of the West, we need Jabari to assert himself every game. He's one of the team's key X-factors going forward.