He didn’t. In his first draft as general manager, Douglas filled starting holes, helped his quarterback and still swung for the fences.

The Post graded every pick: A higher grade at a lower draft spot doesn’t necessarily indicate a better player, but a smarter pick based on production, potential, need and availability at the time.

Round 1, No. 11 overall: Mekhi Becton (OT, Louisville)

Grade: B

Boom-or-bust potential for a franchise with too many busts. Well-coached 6-foot-7, 364-pound athletic freak, but a flagged drug test at the NFL combine is concerning. Passing over tackle Tristan Wirfs could be haunting.

Round 2, No. 59 overall: Denzel Mims (WR, Baylor)

Grade: A

Shrewd trade back from No. 48 knowing second-round depth. One of the combine’s stars offers size-speed combination that had him in first-round conversations. Sam Darnold’s next go-to weapon.

Round 3, No. 68 overall: Ashtyn Davis S, California)

Grade: B+

Good player with range. Strange choice given so many other more pressing needs. Versatility to play in nickel and would have gone higher if not for injury withdrawal from combine.

Round 3, No. 79 overall: Jabari Zuniga (EDGE, Florida)

Grade: C

Disruptive in spurts but explosive physical tools remain raw after late start in high school and injury-plagued college career. Another hit-or-miss.

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Round 4, No. 120 overall: Lamical Perine (RB, Florida)

Grade: B

Never topped 1,000 yards from scrimmage in four seasons, but had 2,485 rushing and 674 receiving in his career. More power than speed.

Round 4, No. 125 overall: James Morgan (QB, Florida International)

Grade: C-

Douglas wants to build a “quarterback factory” like Eagles GM Howie Roseman. But the Jets need playmakers, not a four-year bench-sitter. Passed on safer Georgia quarterback Jake Fromm for Morgan’s big arm.

Round 4, No. 129 overall: Cameron Clark (OG, Charlotte)

Grade: B

Three-year starter at left tackle whose size (308 pounds) dictates learning guard. Bowls over targets in the run game but needs to cut down on penalties.

Round 5, No. 158 overall: Bryce Hall, (CB, Virginia)

Grade: A-

Returning to school hurt Hall, who had a nation-best 24 passes defended as a 2018 All-American and potential first-rounder. Slow recovery from dislocated ankle in October.

Round 6, No. 191 overall: Braden Mann (P, Texas A&M)

Grade: B+

Replacement for free agent Lachlan Edwards averaged 49 yards per punt in his college career, while also handling kickoffs. Only (foolish) argument is against ever drafting a specialist.

Round 7, No. 218 overall: Traded to Colts

Grade: B

Jets received cornerback Quincy Wilson, a second-round bust over three seasons who allowed a 142 passer rating in limited 2019 action. Compared to alternatives, worth a one-year flyer that change unlocks talent.