FILE - In this Dec. 4, 2016, file photo, San Francisco 49ers quarterback Colin Kaepernick warms up before an NFL football game against the Chicago Bears. Spike Lee said on Instagram Sunday, March 19, 2017, that it was "fishy" that Kaepernick, now a free agent, hadn't been signed." (AP Photo/Charles Rex Arbogast, File) **FILE**
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