Dolphins agree to deal with Tyrell Johnson

Terry McCormick

The Miami Dolphins have agreed to a one-year deal with free agent safety Tyrell Johnson.

Johnson's agent Jack Bechta confirmed the deal.

Johnson has spent the past four seasons with the Minnesota Vikings, playing in 48 games with 132 tackles and two interceptions. Johnson was a regular for the Vikings in 2009, starting all 15 games in which he played.

The past two years, Johnson has been beset by injuries. A knee injury landed him on injured reserve in 2010, and he was bothered by a hamstring injury that limited him to 11 games last season.

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