Brian Hoyer

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San Francisco 49ers quarterback Brian Hoyer (2) shakes hands with wide receiver Marquis Goodwin during the NFL team's football training camp Friday, July 28, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers quarterback Brian Hoyer signals during the NFL team's football training camp Friday, July 28, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers quarterback Brian Hoyer (2) throws during the NFL team's football training camp Friday, July 28, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers quarterback Brian Hoyer prepares to throw during NFL football practice at the team's training facility Tuesday, June 13, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers quarterback Brian Hoyer throws during the team's organized team activity at its NFL football training facility Tuesday, May 23, 2017, in Santa Clara, Calif. (AP Photo/Marcio Jose Sanchez)

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San Francisco 49ers' quarterback Brian Hoyer gestures during a media conference Friday, March 10, 2017, in Santa Clara, Calif. (AP Photo/Ben Margot)

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Brian Hoyer was signed as an undrafted free agent in 2009. Since then he has played for all but which of these teams:

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Cleveland Browns quarterback Brian Hoyer (6) greets Johnny Manziel (2) on the sidelines before an NFL football game against the Tampa Bay Buccaneers Sunday, Nov. 2, 2014, in Cleveland. (AP Photo/David Richard)

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Cleveland Browns offensive coordinator Kyle Shanahan, center, goes over the play sheet with quarterbacks Brian Hoyer (6) and Johnny Manziel in the third quarter of an NFL football game against the Houston Texans Sunday, Nov. 16, 2014, in Cleveland. (AP Photo/David Richard)