All three received one-year contracts.
All these moves are simply about bringing in depth and competition to training camp. None of these signings is expected to yield starters, but any could result in deepening the roster with a veteran presence at a couple different positions.
While Boggs has never played in a regular season contest before, Fluellen has been in the league five years, mostly with the Detroit Lions before ending last year with the Miami Dolphins. Moore comes over from the Buffalo Bills where he played in 12 games last year, amassing 24 tackles and three sacks in that time.
With the draft only a few weeks away, Chicago is trying to fortify its depth to get a better idea of where its later-round picks need to be spent.