49ers QB Colin Kaepernick has already had three offseason surgeries

Not only did San Francisco 49ers quarterback Colin Kaepernick undergo surgery on his injured right thumb Wednesday in Vail, Colorado, according to reports, he also had a procedure done on his left knee, the Sacramento Bee reported.

The 49ers would not confirm the procedures.

Kaepernick was in Colorado for a check-up on his surgically repaired left shoulder.

Fantasy Impact: 

Kaepernick is signed through 2020, but his 2016 salary doesn't become fully guaranteed until April 1 of this year.

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