The Celtics have targeted size and length this offseason

When the Boston Celtics made one of the offseason’s blockbuster moves by acquiring Kristaps Porzingis from the Washington Wizards, they were thinking big — positionally, strategically, and quite literally.

Porzingis, listed at 7 feet, 3 inches on Basketball Reference, would be the second-tallest player in franchise history behind Tacko Fall. The Latvian was estimated to have a 7-foot-6 wingspan when he was drafted fourth overall by the Knicks in 2015.

Boston has brought in three smaller additions since the trade, and all three boast significant measurable advantages at their positions. Second-round rookie wing Jordan Walsh is 6-foot-7 with a ridiculous 7-foot-2 wingspan, forward Oshae…