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The Boston Celtics have signed forward Ron Harper Jr. to a four-year contract worth $13.7 million, giving the young forward a long-term opportunity with the franchise.

The deal includes fully guaranteed salaries for the first two seasons, while the third year is non-guaranteed and the fourth season carries a non-guaranteed team option.

Harper will also earn more than the league minimum under the agreement, with approximately $6.5 million fully guaranteed.

Sources: The Boston Celtics signed Ron Harper Jr. to a four-year, $13.7 million deal, which includes the first two years fully guaranteed, a third-year non-guaranteed salary, and a fourth-year non-guaranteed team option. He gets above the minimum and $6.5 million guaranteed. pic.twitter.com/RmrQ8fNLnT