Over the last two seasons Peeke, 25, has played 162 games and has posted 8 goals and 20 assists. Peeke is purely a defensive defenseman, starting nearly 70% of his shifts in his own zone. Peeke has 3 years remaining on his current contract paying him $2,750,000 per season.
While Peeke could certainly save the Leafs some cap space, I'd imagine that most would consider him a downgrade from Brodie. In a volatile market such as Toronto, if a move like this one backfires, it could create a lot of extra noise and distraction for a team who is already burdened by a ton of outside pressure.