(CBS) The Bears announced Wednesday afternoon they have agreed to terms with sixth round selection CB Isaiah Frey on a four-year contract.

The Bears selected Frey with the 184th overall pick of the 2012 NFL Draft out of the University of Nevada.

In 51 games for the Wolfpack over four seasons, Frey had 141 tackles, seven interceptions, 38 passes defensed and two forced fumbles. As a senior, the 5-11, 190-pounder was named first-team All-WAC after leading the team with five interceptions and 21 passes defensed to go along with 37 tackles and one tackle for a loss.

Frey is the fourth Bears selection from the 2012 NFL Draft to sign with the team, joining WR Alshon Jeffery, TE Evan Rodriguez and KR/CB Greg McCoy.

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