| Date/Season | Transaction |
|---|
| 2/9/2019 | St Louis Blues send Tyler Biggs to the Pittsburgh Penguins for Brett Connolly, Markus Granlund, Nikita Scherbak |
| 3/23/2018 | Detroit Red Wings send Carter Camper, Travis Hamonic to the Pittsburgh Penguins for Brett Connolly, $2,000,000 |
| 3/7/2018 | Pittsburgh Penguins send Sami Vatanen, $3,000,000 to the Boston Bruins for Brett Connolly |
| 7/20/2015 | Nashville Predators send Brett Connolly, Francois Bouchard, Lasse Kukkonen, NAS 2023 Rnd 2 to the Boston Bruins for Anton Volchenkov, Chris Stewart, Robbie Schremp, BOS 2025 Rnd 3 |
| 7/15/2015 | Nashville Predators send Jordan Staal, Patrick White, NYR 2021 Rnd 3, $750,000 to the Edmonton Oilers for Brett Connolly, Francois Bouchard, Rasmus Bengtsson, Thomas Wilson, EDM 2022 Rnd 1, EDM 2023 Rnd 1 |
| 7/18/2013 | Edmonton Oilers send J.T. Miller, Stefan Noesen to the Vancouver Canucks for Brett Connolly, David Fischer |
| 4/6/2013 | Vancouver Canucks send Brady Skjei, Joel Ward to the Boston Bruins for Brett Connolly, BOS 2017 Rnd 2 |
| 2014 | Drafted in the 1st round, 10th overall by Boston |
