I wouldnt consider this collusion, especially if the pick given in return is justified when comparing it to a player who is on the waiver wire. If anything, i consider it a pretty smart play by Team B. He keeps his waiver position, gets a player he wants and only gives up a pick for it.

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10 Team, Points Only, $$ League, Keep 20/25 at seasons end
25 Man Roster, top 20 monthly point getters count
Goalie points W=2pt L=-1pt SHO=2pt

Stamkos, Tavares, Hall, Couture, Hanzal, Wheeler, Stastny, Versteeg, Fisher, Hornqvist, Eriksson, Hodgson, Setoguchi, Turris, Steen, Letang, DRoy, Yakupov, Grabner, Byfuglien, Baertschi

G-Rask, Halak, Schneider