Bunting and Kerfoot are fine and the rest aren't top 6 anyway.
Doesn't Kessel play on the right side? You said the top 6 isn't good enough, who is Kessel replacing in the top 6?
Pretty sure Kessel has played some LW since leaving Toronto but regardless of that even at 34 you can't convince me he's not an upgrade on Ritchie,Engvall, Mikyehev etc.
To answer your question I'd have him bump down Kerfoot, because Kerfoot can play in the top 6
So imagine what he could do against lower competition.
If you have top 6 caliber players on your 3rd line you are looking good why do you think Tampa has the last 2 cups? one of the reasons is because they had at least 1 guy capable of being in the top 6 on the 3rd line.
Chances are Toronto will need to go through at least 1 , possibly both of Tampa or Florida so yeah I want 1 more top 6 forward.
It doesn't have to be Kessel, in fact I'm not sure It can because we are already retaining on him but yes a top 6 forward is absolutely a current need.