Magic number: Terry Rozier’s passing shows room for improvement

As we settle into the dog days of the NBA summer, with the Celtics’ offseason largely concluded, we here at CelticsBlog are looking back to last season. With the Celtics retaining largely the same roster from last season — but healthier, we hope — we’re looking to identify some statistical areas for potential improvement from last year’s squad. Our subject today, as I’m sure you’ve guessed: Terry Rozier.

If it weren’t for the spectacular arrival of Jayson Tatum or the dramatic emergence of Jaylen Brown, the 2017-18 season in Boston might have been remembered as the Year of Scary Terry. After a couple years spent buried on the bench becoming something of a punchline for critics of Danny…