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Jerry Lai-USA TODAY Sports

Overall Grade: B-

No. 3: Jaylen Brown, SF, California

Instead of trading the No. 3 pick for a package from the Philadelphia 76ers that included Nerlens Noel, Robert Covington, No. 24 and No. 26 (as ESPN's Marc Stein reported Philly offered), the Boston Celtics added a young prospect.

Jaylen Brown is one of the best athletes in this class, and general manager Danny Ainge will hope he's a nice complement to Isaiah Thomas and Jae Crowder. His long-term ability to drain jumpers and thrive in transition could ease the pressure on established Beantown players—free-agent Evan Turner will not be one of them, after this pick—and he could develop into a defensive stud.

But this is still a risky selection, given Brown's trouble focusing, poor ball-handling skills and overall lack of readiness to compete at a high level. Right now, he is a physical prospect who doesn't have the skilled part of the game down pat.

Given Boston's desire to contend right away, this screams that Ainge couldn't get a deal done and had to settle.

No. 16: Guerschon Yabusele, PF, France

Unable to find deals for their 1,347 picks, the Celtics went the draft-and-stash route with this 6'8" power forward from France.

Guerschon Yabusele doesn't have the typical size necessary to play NBA power forward, and he might have to line up at the 3 in bigger lineups. But he does have the skill: He's adept at finishing around the basket, can explode to the rim and is capable of knocking down long-range shots.

He averaged 11.5 points while shooting 53.9 percent from the field and 42.6 percent from deep with SPO Rouen Basket. Eventually, that ability should help the Celtics grow their frontcourt while moving on from the current crop of limited players. After all, Yabusele won't celebrate his 21st birthday until mid-December.

No. 23: Ante Zizic, C, Croatia

Is it back to the draft-and-stash well? It is.

Per Upside Motor's Trevor Magnotti:

It’s worth noting that at the FIBA U-19 World Championships last summer, [Ante] Zizic really was bothered by the length of current UCLA backup forward Thomas Welsh when Croatia played the U.S. in group play, and got shown up by Zubac and power forward Marko Arapovic, as both flourished after Zizic was sidelined with a groin injury and helped Croatia storm to the final. Zizic also doesn’t have an NBA buyout this summer, meaning he’s a draft-and-stash guy for at least one season.

The influx of international prospects in a few years could pay off for the Celtics, but they may also be squandering assets while trying to improve.

No. 45: Demetrius Jackson, PG, Notre Dame

If you overlook his limited shooting ability, it's tough to understand how Demetrius Jackson wasn't off the board by the time we were nearing the end of the first round. Even with his shaky jumper, he was rather high on many experts' lists.

ESPN's Chad Ford? No. 31. Bleacher Report's Jonathan Wasserman? No. 26. NBADraft.net's Aran Smith? No. 38. DraftExpress? No. 17.

This is tremendous value, even if Jackson will be hard-pressed to find playing time in a backcourt that includes Marcus Smart, Isaiah Thomas, Terry Rozier and Avery Bradley.

No. 51: Ben Bentil, PF, Providence

Even though Ben Bentil was one of the last 10 names to come off the board, he should be given a chance to compete for a rotation spot with the Celtics. So long as they're willing to look past his lack of height (6'8"), they'll quickly realize he's a born scorer who can produce points from any spot on the court.

At this stage of the draft, it's advantageous to target players who have a defined skill. Bentil showed it off throughout his final year at Providence by averaging 21.1 points while shooting 46.2 percent from the field and 32.9 percent from downtown. If he's able to work in short bursts, Bentil will be able to provide an offensive boost in Beantown.

No. 58: Abdel Nader, PF, Iowa State

Considering Abdel Nader was the fourth big man drafted by the Celtics on Thursday night, and wasn't really on the national radar, it's a bit unlikely he gets a serious chance to compete for a Boston roster spot. Instead, he'll have a role during summer league and get a chance to prove himself with the D-League's Maine Red Claws.

According to DraftExpress' Jonathan Givony, Nader's already agreed to do exactly that.