Below I have made a realistic mock roster that I think is definitely an upgrade to our current roster, that would not be impossible to get in the offseason. This scenario would hypothetically fit our cap space, so this is somewhat realistic.

Jazz Roster(starters)

PG Kemba Walker

SG Donovan Mitchell

SF Otto Porter Jr

PF Derick Favors

C Rudy Gobert

(bench)

SF Joe Ingles 

PG Patrick Beverly

SF Kyle Korver

SG Royce Oneil

PF Georges Niang

SG Grayson Allen

PG Raul Neto

C Ekpe Udoh

C Tony Bradley

Jazz Drop

Ricky Rubio

Jazz pickup

Kemba Walker

Patrick Beverly

Trade 

Bulls receive: Dante Exum, Jae Crowder, Thabo Sefolosha

Jazz receive: Otto Porter Jr.