Reasonable chance that Michael > Forte as far as dynasty is concerned. Jumping up from 1.04 to 1.01 is a nice added bonus.
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I do like the value that the Forte owner go in the subsequent trade though. 1.03, 1.11, and 2.11 is a good haul for a guy who will probably be roster poison soon.
Woah. I'm not saying it's impossible that Michael will go on to have a long, productive career, but are you implying that you'd rather have Michael than Forte right now? Right now FBG has Forte at RB7 (Tied with AP) and Michael at RB23 (tied with Hyde).
I don't put much stock in the FBG rankings or any consensus rankings for that matter, as they tend to be rooted in past production and avoid making concrete assessments of developing assets. I only use them as a guide to tell me where players can be expected to be valued by the market, not to tell me what they're actually worth. So if you say they have Forte at RB7 and Michael at RB23, I say who cares? Where did they have Hakeem Nicks and Michael Floyd last season?
Forte will turn 29 late this season. I believe that it's better to sell a year too early than a year too late. His value is right on the precipice of total collapse. The argument is that you might get 1-2 really good years from him and that's worth more than a risky prospect. Even if I buy that his performance EV is the same as Michael's, the future market value favors Michael in a landslide. He's about to become a player that everyone wants whereas Forte is about to become a player that nobody wants.
Unless I absolutely needed him for a title chase, I would be thrilled to get a package like 1.03, 1.11, and 2.11 for Forte. That's an excellent exit price for an old soldier on the backslope of his prime. Even if I needed the production, I could probably do that deal and then just move the 1.11 and 2.11 for a cheaper stopgap like Gerhart.
I think Forte is a good piece if you're right on the cusp and he might put you over the edge this year or next.
In general, he's an undesirable asset to me in dynasty. Limited shelf-life and guaranteed cliff drop in his market value. Not the kind of pieces I like to collect when I'm trying to grow a team's value.