Tampa Bay has already announced that they’ve placed K Kyle Brindza on waivers Monday.
Barth, 29, had two years remaining on his three-year, $1.84 million contract when the Broncos cut him loose back in August.
Denver elected to sign Barth in November of last year. He wound up appearing in five games for the Broncos and converting 15 of 16 field goals attempts include his only 50-yarder. Barth also converted all 15 extra point attempts last year.
Bullock, 25, was in the final year of his four-year, $2.278 million contract when the Texans elected to release him earlier in the week and sign former Chargers K Nick Novak.
Bullock has converted 83.3 percent of his field goals this season over the course of three games, but has missed two of his five extra point attempts.
Forbath, 28, originally signed on with the Cowboys as an undrafted free agent out of back in 2011. He lasted a around eight months with the team before he was placed on waivers and later claimed by the Redskins.
Washington placed an original round tender on Forbath back in March that would have paid him $1,542,000 for the 2015 season before he was cut a few weeks back.
Forbath wound up missing one of his two field goal attempts against the Dolphins in Week 1. He added an extra point and a touchback.