Celtics to waive Demetrius Jackson, signing Semi Ojeleye to four-year deal
Jackson's salary will be stretched

As reported by Adam Himmelsbach, the Boston Celtics are expected to waive guard Demetrius Jackson and will sign rookie Semi Ojeleye to a four-year deal. Jackson's salary will be stretched over three years, while Ojeleye's deal will contain two years fully guaranteed.
If Demetrius Jackson is not claimed on waivers, the Celtics will likely stretch his $650k guarantee over three years, source says.
— Adam Himmelsbach (@AdamHimmelsbach) 15 luglio 2017
The Celtics are planning to sign rookie forward Semi Ojeleye to a four-year deal, first two years guaranteed, per league source.
— Adam Himmelsbach (@AdamHimmelsbach) 15 luglio 2017