Milwaukee Bucks forward Giannis Antetokounmpo has agreed to a four-year, $100 million extension, league sources told The Vertical.

Antetokounmpo, 21, is one of the most versatile and gifted young players in the league and eligible for his rookie class of 2013 extension.

The deal, which is nearly a maximum contract, is expected to be signed on Tuesday in Milwaukee.

The 6-foot-11 Antetokounmpo was selected with the 15th overall pick in the 2013 NBA draft and averaged 16.9 points, 7.7 rebounds. 4.3 assists and 1.4 blocks in 80 games last season.

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