There are several "what if" moments that exist from the NBA playoffs last season. Most of them have to do with what would've happened had certain players not gotten injured, like Boston Celtics superstar Jayson Tatum.

From the high-scoring guard to the 19-year-old rookie, here’s what the Celtics can expect from the five new players on their 15-man roster.

The Boston Celtics took a flier on an unproven big man when they signed Luka Garza over the offseason to a two-year, $5.5 million deal. Garza hasn't seen much N

During his time suiting up for the Celtics, Pierce wore only jersey No. 34 and put up 21.8 points, 6.0 rebounds, 3.9 assists, and 1.4 steals per game.