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Former NFL wide receiver Steve Smith shared his opinion on why polarizing free agent quarterback Colin Kaepernick remains unsigned during an appearance on NFL Network at Miami Dolphins training camp this week.

“Here’s the thing, he is on the street for a reason,” Smith said. “It isn’t because of all of the other things. He is not accurate. He is not the guy that commands starter money that’s going to be a backup. He is a guy that is going to have to change his game if he wants to play in this league. That is the question for all aging players and you’re always aging. One year after the other until you get to the exit door.”

Of course, the Dolphins have been linked to Kaepernick this week after starting quarterback Ryan Tannehill suffered a knee injury that could require season-ending surgery.

RELATED: Ryan Tannehill could miss the entire season following a knee injury

Kaepernick, 29, remains a free agent after spending his first six seasons with the San Francisco 49ers. The former starter gained national attention last season for his decision to kneel during the national anthem as a form of protesting social injustice.

Several teams have passed on Kaepernick this offseason as many consider him to be a potential distraction given his constant media coverage. Still, there’s little argument that the former 49ers starter — who led the team to a Super Bowl appearance in 2012 — isn’t a better option than many of the backups signed this offseason.

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