First-year Rams coach Steve Spagnuolo made the surprise announcement in a press release Friday, calling it a "difficult decision based on a lot of factors." But Spagnuolo didn't elaborate, and the Rams didn't return messages seeking comment.
Tinoisamoa is a six-year NFL veteran who led the Rams with 104 tackles in 2008. He was a second-round draft pick (43rd overall) out of Hawaii in the 2003 draft. He had 76 tackles, two sacks and a career-high three interceptions that season.
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