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5 Worst NFL Free-Agency Signings in San Francisco 49ers History

By Peter Felsch

Aug 20, 2016; Denver, CO, USA; A general view of the San Francisco 49ers helmet before game against the Denver Broncos at Sports Authority Field at Mile High. The 49ers beat the Broncos 31-24. Mandatory Credit: Troy Babbitt-USA TODAY Sports
Aug 20, 2016; Denver, CO, USA; A general view of the San Francisco 49ers helmet before game against the Denver Broncos at Sports Authority Field at Mile High. The 49ers beat the Broncos 31-24. Mandatory Credit: Troy Babbitt-USA TODAY Sports /
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December 23, 2013; San Francisco, CA, USA; General view of a card stunt between the first and second quarter in the final regular season game at Candlestick Park between the San Francisco 49ers and the Atlanta Falcons. Mandatory Credit: Kyle Terada-USA TODAY Sports
December 23, 2013; San Francisco, CA, USA; General view of a card stunt between the first and second quarter in the final regular season game at Candlestick Park between the San Francisco 49ers and the Atlanta Falcons. Mandatory Credit: Kyle Terada-USA TODAY Sports /

No. 2: Tully Banta-Cain — Outside Linebacker (2007)

There were high expectations for linebacker Tully Banta-Cain coming over from the New England Patriots.

He was envisioned as a pass-rush specialist by the front office after great production, with five sacks in only five games started the previous year with the Pats.

Unfortunately, the sacks came few and far between for him in two seasons with the 49ers, registering only four total over 10 games. He returned to the Patriots in 2010 but was out of the league by 2012.