The regular-season rivalry wasn't very much of a rivalry, as the Celtics won all four matchups. Boston won the first three games by 23, 27 and 13 points, respectively, before taking the final showdown, 119-117, in overtime back on April 8 in New York.

The New York Knicks made major moves to bolster their roster, adding Karl-Anthony Towns and Mikal Bridges, in the hopes of contending for an NBA title.

This matchup will be the 16th in the playoffs between New York and the Boston Celtics, with the lower-seeded Knicks having a chance to even up the series (of series). Boston has won eight, while New York is at seven. Before the historic franchises tip this off, we'll preview their head-to-head in the form of some bold predictions.