Former Cleveland Browns head coach Hue Jackson had been set to lead the QB through drills. A few teams have said they intend to send someone to the workout, but there has been no word from many others.
The NFL can go ahead and say that they "tried", but the continued fumbling and bumbling efforts from the league look worse and worse as we get closer to zero hour.
On Thursday, the National Football League announced that 11 teams-the Cardinals, Falcons, Browns, Broncos, Lions, Dolphins, Patriots, Giants, Jets, Buccaneers and Washington-"have already committed to attend".
It was not known how many teams would be attending the workout in the new location.
On Saturday afternoon, ESPN NFL insider Adam Schefter revealed the location of Colin Kaepernick's workout for NFL scouts changed last minute.
More than 24 teams were expected to attend Kaepernick's workout.
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The NFL reportedly presented the Saturday workout to Kaepernick as a take-it-or-leave-it deal, fueling speculation that the 32-year-old could choose to pass on the league's offer. Take Gruden's comments for what you will, but don't expect the Raiders to have any interest in signing Kaepernick.
"I've been in shape and ready for this for 3 years, can't wait to see the head coaches and GMs on Saturday".
Kaepernick hasn't played in the league since the 2016 season - the same season he first sat during the playing of the anthem.
He has contended that teams would not sign him because they wanted to distance themselves from the protests, which U.S. President Donald Trump criticized as unpatriotic and disrespectful. The NFL denied any collusion.
A few players, including Panthers safety Eric Reid - who kneeled alongside Kaepernick when they were teammates in San Francisco - have described the hastily scheduled workout as "disingenuous". During that season, in which the 49ers were 2-14, Kaepernick threw 16 touchdowns and had four interceptions.
The decision to kneel sparked a national outcry and forced NFL owners to address the situation, very almost leading the league to make a broad policy - something that did not happen in the end.