PHILADELPHIA (CBS) — The Philadelphia Eagles front office was busy Tuesday night as they kicked off free agency by agreeing to terms with five players.

The team agreed to terms on deals with tight end James Casey, cornerback Bradley Fletcher, safety Patrick Chung, linebacker Jason Phillips and defensive lineman Isaac Sopoaga.

Casey, Chung and Sopoaga each received three-year deals. Fletcher and Phillips got two-year contracts. The amount of money involved in the deals was not immediately disclosed.

Casey played in 61 games in four years with the Houston Texans as both a fullback and tight end. The 28-year-old set career highs in 2012 in receptions (34), receiving yards (330) and touchdowns (3).

Fletcher posted 169 tackles and five interceptions in his four seasons with the St. Louis Rams, starting in 26 of 43 games. The 26-year-old played in all 16 games (four starts) in 2012 and notched 25 tackles, eight passes defensed, one forced fumble and one sack.

Chung  amassed 235 tackles, seven interceptions, three sacks, and 19 passes defensed in four seasons with New England. Originally a second-round pick of the Patriots in 2009, Chung has played in 50 games and has also racked up 25 special teams tackles.

Phillips has spent time with both the Baltimore Ravens and Carolina Panthers in his four-year career as a reserve linebacker and special teams contributor, appearing in 29 total games. The 27-year-old played in all 16 games for the Panthers in 2012 and led the team with 16 special teams tackles.

Sopoaga has been a key contributor to the San Francisco 49ers defensive line over the last nine seasons, recording 447 tackles and 7.5 sacks in 125 career games. Originally a fourth-round pick of the 49ers in 2004, the 31-year-old native of American Samoa has experience at both defensive tackle and nose tackle.