Watch Kyrie Irving hit the game winning jumper in training camp scrimmage

Bob DeChaira/USA Today Sports

Training camp is one of the rare times where we get a glimpse into a Celtics practice session with everyone going at full speed in a scrimmage. On Tuesday evening at the Auerbach Center, the curtain was pulled open into a back and forth battle between the closing starters (Irving/Brown/Hayward/Tatum/Horford) and the second unit (Smart/Rozier/Ojeleye/Morris/Yabusele/Baynes). The bench unit led by as many as six points at one point before the starters made their run, leading to a frentic finish. Here's a look at the action, broken up into five segments.