"We're looking at everybody. We really are," Carroll said, via ESPN.com. "We've been tracking everything that's going on, and we've got cap and roster issues and stuff like that that we're still trying to manage properly. But quite frankly, yes, we are looking at all those guys."
RGIII hasn't sniffed a whiff of interest this offseason after a poor, injury-filled season in Cleveland last year.
The Seahawks offense could fit Kaepernick's skill set if he were forced into duty. Seattle has also never been shy about adding outspoken players. Defensive end Michael Bennett even told NFL Network in March that teams should want a leader like Kaepernick on their club.