WATCH: Detroit Pistons take Sekou Doumbouya 15th overall in the NBA Draft

The Detroit Pistons drafted Sekou Doumbouya with the No. 15 pick of the NBA draft Thursday night.

The 6-foot-9, 230-pound Doumbouya played last season in France's top pro league. He does not turn 19 until December. A native of Conakry, Guinea, Doumbouya moved to France when he was a year old. He did not begin playing basketball until he was 12.

"That's good. That means there's upside," Pistons executive Ed Stefanski said. "Youngest kid in the draft. We're excited."

Doumbouya he averaged 17.8 points per game for France at the 2016 FIBA U18 European Championship. He was the first of two picks the Pistons controlled in the first round.

Detroit agreed to trade Jon Leuer to the Milwaukee Bucks in exchange for Tony Snell and the 30th pick, according to a person with knowledge of the deal. The person spoke on condition of anonymity because the trade was not yet official. Trades can't be completed until the new league year starts July 6.

Detroit made the postseason this year but was swept by Milwaukee in the first round. The Pistons have been building around the trio of Blake Griffin, Andre Drummond and Reggie Jackson, and with Griffin and Drummond under big contracts, the Pistons' flexibility has been limited. They could use a productive addition or two from the draft, and Doumbouya has potential.

"He played against men in a good league over there," Stefanski said. "So we're happy."

Kyle Milling, his coach with Limoges in the French league, described Doumbouya as "very raw" but said he can defend four positions.

The Pistons also had a second-round pick, the 45th overall and a source confirmed they have traded for the 37th pick that belonged to the Dallas Mavericks.  The Mavericks drafted Deividas Sirvydis for the Pistons.  

Sirvidis, 6-foot-8, 190 pounds is 19 years old out of Lithuania.  The guard/forward played for Rytas in the Lithuanian LKL league (the highest division in Lithuania) and played in 41 games the past two seasons.  He averaged 13.2 minutes per game, 4.5 points, 2 rebounds, 0.8 assists and shot 38 percent from the field.  The Vilnius native shots 33% from the field last season and 77 percent from the free throw line.

Early Friday morning, multiple reports said Detroit also traded for the rights to Jordan Bone, the 57th pick in the draft.

Bone, 6-foot-3, 180 pounds is 21 years old out of Tennessee.  The point guard played in 95 games during his three-year career while starting 87 of them.  The Nashville native averaged 9.7 points per game, 4.3 assists, 2.4 rebounds and a shooting percentage of 42 percent. 

Bone averaged 13.5 points per game, 5.8 assists and 3.2 rebounds last season which were all career highs.  He was a 35% three point shooter and an 82% shooter from the line in college.

The Pistons did not have a first-round pick last year.

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The Associated Press contributed to this report.