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At a time when the 49ers are trying to shoot down rumors regarding a possible trade of quarterback Colin Kaepernick, the 49ers soon will have another significant issue to deal with.

Some very surprising news related to the 49ers is coming, likely later today, regarding a key player on the team who won’t be on the team in 2015. A formal announcement is expected on Tuesday.

That’s all we can say for now. But when it happens, you’ll be shocked — even though you’re now duly braced to be shocked.

Meanwhile, feel free to make a guess in the comments. Winner gets a free one-year subscription to PFT.