Springer was the 28th overall pick in 2021, but has yet to earn any real playing time. He didn't see a single minute of non-garbage time as a rookie, and only played 53 minutes of non-garbage time in his second season, according to Cleaning the Glass. He got a little bit more playing time in '23-'24, but still not much, and the 76ers traded him to Boston mid-way through the season. Coming into the draft, Springer was seen as a high-level athlete that had true defensive potential, and if he developed his outside shot more he could be really dangerous. However, he can't dominate defensively with his athleticism like he could in college. He has posted really good steal and block rates in his few minutes, but he hasn't show to be a true stopper. On offense, he has only hit 27% of his 3s in the NBA and G-League combined, and hasn't been effective from two either. His assist to turnover rates aren't very good either, so the playmaking worries that some people had about him coming out of college haven't been addressed either. Springer is still only 22 years old, so there's room for him to improve. However, most players that turn into anything will have shown something through their first three seasons, and Springer just hasn't yet. I'm not sure how much opportunity he'll have on the returning champion Celtics. If he doesn't get minutes once again, he may need to develop his game overseas or in the G-League before making another run at the NBA.