Yeah, the Ravens were about to signing him until his GF had to chime in.
https://www.espn.com/nfl/story/_/id/20597810/ray-lewis-said-baltimore-ravens-sign-colin-kaepernick-girlfriend-racist-tweet
Moreover, his last three years in the league
11-24 (W/L) cause there are people who care what a starting QBs record is, all while roughly completing 59% of his passes, and ended his career being benched by Gabbert.
I don't think he should be black balled, but I also dont think the guy is worthy of a job in this league.