By Daniel Chavkin The veteran linebacker last played in an NFL game three years ago. View the original article to see embedded media. Former NFL linebacker Kiko Alonso is officially retiring from the league, per Brooke Kirchhofer of WWL-TV, CBS’s New Orleans affiliate. Alonso played six seasons in the league with four different teams. He had a breakout 2013 rookie year with the Bills with 159 total tackles, finishing second in Defensive Rookie of the Year voting. However, he tore his Achilles in the offseason and missed the entire 2014 season. In 2015, Buffalo traded Alonso to the Eagles for r…