Mock Draft Dive: Is Joshua Jefferson a ready-now power forward option?

KANSAS CITY, MISSOURI - MARCH 13: Forward Joshua Jefferson #5 of the Iowa State Cyclones lays the ball up against Ivan Kharchenkov #8 of the Arizona Wildcats in the first half during the semifinals of the Big 12 Tournament at T-Mobile Center on March 13, 2026 in Kansas City, Missouri. (Photo by Ed Zurga/Getty Images) | Getty Images Welcome back to the third edition of the Mock Draft Dive, where we’re looking at who draft pundits predict the Celtics to take in the upcoming draft. We ar