Jarrett Allen problem that has frustrated Cavaliers fans is back

Cleveland Cavaliers center Jarrett Allen. | David Richard-Imagn ImagesCleveland Cavaliers Jarrett Allen has looked like a superstar center ever since James Harden arrived, but that all disappeared on Sunday.

Allen took just six field goal attempts against the Oklahoma City Thunder, as noted by ESPN's Tim MacMahon, and Cavs fans are suddenly terrified that Allen's worst habit has returned: his tendency to stop being aggressive on offense.

Jarrett Allen's offensive aggression has disappeared again for Cavaliers

It's almost as if Allen crawled back into his shell offensively once Evan Mobley returned to the lineup. That's a worrisome development for the Harden era Cavs, who looked like an NBA…