Thornton signed a contract with Washington on Wednesday, Kareem Copeland of The Washington Post reports.
Thornton announced his retirement from the NFL during the 2017 offseason but appears to have been convinced to don the cleats once more. He projects to compete for a reserve guard role in Washington.
Thornton announced he will retire from the NFL on Tuesday, Curtis Jackson of the Falcons' official site reports.
Just 25, Thornton walks away from the game after missing all of the 2016 season due to an ankle injury. The guard signed with the Falcons back in March, looking to secure a reserve spot on the offensive line; however, he will now move ahead with the next chapter of his life.
Thornton signed a contract with the Falcons on Tuesday, Alex Marvez of SportingNews.com reports.
Thornton spent the entirety of last season on injured reserve due to an ankle injury. Although he's struggled with injuries throughout his professional career, the 25-year-old will look to secure a reserve spot on Atlanta's offensive line.
The Colts will have a very deep offensive line for OTAs. Currently, the team's roster features 10 players that have started in the NFL, per Colts.com.
The Colts will have battle for starting spots at center and on the right side of the line.
Khaled Holmes enters the offseason as the starting center, but he'll be pushed by Jonotthan Harrison, who started 10 games last season.
At right guard, offseason acquisition Todd Herremans has the inside track, but he'll compete with Hugh Thornton, a veteran of 20 NFL starts.
Gosder Cherilus, returning from knee and groin injuries that landed him on injured reserve last season, will start OTAs as the right tackle. Joe Reitz and Ulrick John will compete for the job.
The Colts signed free agent running back Michael Hill and placed guard Hugh Thornton (knee) on injured reserve. Hill was on the team's practice squad in November.
As a rookie with the Buccaneers last season, Hill ran nine times for 23 yards and caught two passes for 23 yards.
The Colts declared center A.Q. Shipley (ankle), guard Hugh Thornton (shoulder), cornerbacks Jalil Brown and Sheldon Price, defensive lineman Zach Kerr, offensive lineman Xavier Nixon and linebacker Henoc Muamba inactive for Sunday's playoff game against the Bengals.
Shipley had been listed as doubtful, while Thornton had previously been ruled out.
The Colts listed the following players as probable for Sunday’s game against the Bengals: Dwayne Allen (knee), Jerrell Freeman (hamstring), Joe Reitz (ankle), Erik Walden (knee), Reggie Wayne (groin) and Bjoern Werner (shoulder).
Running back Trent Richardson (illness) is the only play listed as questionable. While A.Q. Shipley (ankle) is listed as doubtful and Hugh Thornton (shoulder) has been ruled out.
The Colts are 3 1/2-point favorites.
Colts guards Hugh Thornton and A.Q. Shipley left the game at Tennessee with leg injuries. The severity of the injuries was not immediately known, but they're cause for concern heading into Indy's playoff game next week.
Linebacker Erik Walden, who leads the Colts with six sacks, is active for the game at Tennessee after being listed as probable with a knee injury. Guard Hugh Thornton (knee) and defensive end Cory Redding (knee) also are active after being listed as probable.
The Colts listed tight end Dwayne Allen (knee), tackle Gosder Cherilus (groin) and outside linebacker Bjoern Werner (shoulder) as out for Sunday's contest against Tennessee.
Inside linebacker Jerrell Freeman (hamstring), wide receiver T.Y. Hilton (hamstring) and guard Joe Reitz (ankle) were ruled as questionable.
Meanwhile, defensive end Cory Redding (knee), guard Hugh Thornton (knee) and outside linebacker Erik Walden (knee) were labeled probable
The Colts ruled the following players inactive for Sunday's game at Dallas: wideout T.Y. Hilton (hamstring), defensive back Jalil Brown, defensive back Sheldon Price, guard Hugh Thornton, guard Joe Reitz, guard Gosder Cherilus and nose tackle Montori Hughes.
The Colts revealed wide receiver T.Y. Hilton (hamstring) and cornerback Vontae Davis (groin) are being listed as questionable for Sunday’s game at Dallas.
While Hilton was not able to practice at all this week, Davis was a limited participant in Thursday and Friday’s practice.
The Colts ruled Gosder Cherilus (groin), Joe Reitz (ankle) and Hugh Thornton (knee) as out. While Josh Cribbs , Erik Walden and Reggie Wayne are listed as probable.
The Colts are 3 1/2-point underdogs.
The Colts designated the following players inactive for Sunday's game against the Texans: defensive back Jalil Brown, defensive tackle Montori Hughes, offensive tackle Andrew McDonald, linebacker Henoc Muamba, and guards Joe Reitz, A.Q. Shipley and Hugh Thornton.
Colts cornerback Vontae Davis is said to be in the final step of the league's concussion protocol and is on track to play Sunday's game against the Texans, coach Chuck Pagano said Friday.
Davis, who has 32 tackles and three interceptions, missed last week's game with the injury.
The Colts also declared guards Joe Reitz (ankle) and Hugh Thornton (knee) as out for Sunday's game against the Texans.
Five injured Colts will be inactive for the Week 14 clash in Cleveland, including standout cornerback Vontae Davis (concussion), linebackers Erik Walden (knee) and Andy Studebaker (hamstring) and offensive linemen Xavier Nixon (foot) and Hugh Thornton (knee).
The healthy scratches are guard Lance Louis and tackle Andrew McDonald.
Colts tight end Dwayne Allen (ankle) and wide receiver T.Y. Hilton (hamstring) are among the notable probables for Indianapolis heading into their Week 14 clash against Cleveland.
Center Jonotthan Harrison (illness), defensive tackle Arthur Jones (illness), nose tackle Zach Kerr (illness), defensive end Cory Redding (knee) and outside linebacker Erik Walden (knee) were all listed as probable.
Safety Mike Adams (back), cornerback Jalil Brown (ankle) and return specialist Josh Cribbs (knee) were all deemed questionable. Meanwhile, Vontae Davis (concussion), tackle Xavier Nixon (foot), outside linebacker Andy Studebaker (hamstring) and guard Hugh Thornton (knee) were ruled out for Sunday's game.
Colts coach Chuck Pagano told reporters during Monday's news conference guard Hugh Thornton remains week to week with an MCL sprain, WFNI-AM in Indianapolis reports. Thornton suffered the injury Week 11 against the New England.
The Colts will square off against the Browns in Week 14.
The Colts listed tight end Weslye Saunders, linebacker Andy Studebaker, offensive lineman Lance Louis, offensive lineman Hugh Thornton, offensive lineman Xavier Nixon, tight end Dwayne Allen and defensive lineman Zach Kerr as inactive for Week 13 against the Panthers.
Several Colts have been red-lighted for the Sunday game against visiting Washington, including tight end Dwayne Allen (ankle) and guard Hugh Thornton (knee). Also out are tackle Xavier Nixon (foot) and linebacker Andy Studebaker (hamstring).
Colts coach Chuck Pagano told reporters that right guard Hugh Thornton has been diagnosed with an MCL sprain, per the team'f official website. Thornton was forced out of Week 12 against the Jaguars in the third quarter with a knee injury. Pagano would not confirm who would replace Thornton moving forward. Thornton is considered day to day.