The Boston Celtics announced Wednesday that they have exercised their third-year option on forward Kelly Olynyk, and their fourth-year options on forward Jared Sullinger and center/forward Tyler Zeller.
Olynyk is averaging 8.7 points and 5.2 rebounds in 20.0 minutes per game through 70 career contests.
Sullinger was selected 21st overall by the Celtics in the 2012 NBA Draft and is averaging 10.5 points, 7.3 rebounds and 1.3 assists in 24.6 minutes per game over his 119 game career.
Zeller is averaging 6.9 points, 4.9 rebounds, 0.9 assists and 0.7 blocks in 21.0 minutes per game on his career.