Aside from mid-February to the beginning of June the NBA trade season is a 24/7 cycle. The Boston Celtics were not strangers to the trade market to the trade market this past offseason. However, no major impact players were brought in.
Aron Baynes was the most significant pieces traded away. With Al Horford also leaving the team via free agency, the Celtics now lack any strong two-way presence at their center position.
Enes Kanter may be a double-double shoe-in on a nightly basis, but has been the butt of jokes by his peers for his defensive deficiencies often throughout his career.