Colin Kaepernick has been seen Drew Millas Jersey working out on football fields throughout the offseason in the hope of returning to the NFL.He recently posted a video of himself working out with amid rumors that Seattle might be interested in signing him after trading Ru sell Wilson to the Broncos. With just weeks until the draft, however, Kaepernick remains a free agent.Kaepernick will have his biggest audience yet for a throwing exhibition this weekend. He'll be on the field during Michigan's spring game on Saturday, getting the chance to show what he can do at age 34 and five years removed from his last NFL game.MORE: Michigan announced on Thursday that Kaepernick will be an honorary captain for the Maize and Blue Spring Game.Football Family.Excited to share the field with our honorary captain for Saturday's Maize and Blue Spring Game, Michigan Football (@UMichFootball) NFL DRAFT 2022: But for Kaepernick, being the honorary captain will mean more than just flipping a coin. According to The Detroit News' Angelique Chengelis, Kaepernick will also be throwing the football in an exhibition at halftime in an event sponsored by Wolverines Against Racism, a student organization.Colin Kaepernick will participate in a throwing exhibition at halftime of the Michigan spring game on Saturday (it will be sponored by a UM student group, Wolverines Against Racism). He will be throwing to NFL free agent receivers -- per UM spokesman angelique (@chengelis) Kaepernick has an established relationship with Michigan coach Jim Harbaugh going back to their time together with the 49ers. Harbaugh began his NFL coaching tenure with the team in 2011, the same year San Francisco selected Kaepernick in the second round of the NFL Draft.Kaepernick became the starter in his second year with the team, and during his three years under Harbaugh, the 49ers went 25-14. They reached the Super Bowl the year he was named the starter, but lost to a Ravens team coached by Harbaugh's brother, John Harbaugh.MORE: Harbaugh left San Francisco after the 2014 season, but Kaepernick stayed with the team for two more seasons. During his final year, Kaepernick kneeled during the national anthem to protest racial injustice. He became a free agent after the 2016 season and has not been signed by a team since. He filed a grievance against the NFL and its owners in 2017, claiming his protests were the reason for him being kept out of the league. He reached a settlement with the league in 2019. that back in 2020, Harbaugh said in an interview with Rich Eisen that he remained in communication with Kaepernick.A league source told CBS Sports and USA Today reporter Josina Anderson that Kaepernick has expre sed a willingne s to sign as a backup quarterback if nece sary to get back into the NFL.I'm told Colin Kaepernick has informed others that he's open to accepting even a back-up QB role--if* that's what it takes--to facilitate a return to the , per league source. "You have to credit Jim Harbaugh that he's willing to help his former player to try to get back." IG: JosinaAnderson (@JosinaAnderson) Evan Lee Jersey