Notable offseason additions include the free agent acquisitions of wide receiver Wes Welker, linebacker Shaun Phillips, safety Quentin Jammer and cornerback Dominique Rodgers-Cromartie.
On November 2, 2013, during the Broncos' bye week, head coach John Fox was hospitalized after experiencing light-headedness while playing golf in Charlotte, North Carolina.
Following a Flacco interception, the Broncos responded early in the second quarter, with quarterback Peyton Manning throwing a 24-yard touchdown pass to tight end Julius Thomas.
The Ravens later scored 10 unanswered points, with Flacco throwing a 13-yard touchdown to wide receiver Marlon Brown, followed by a 30-yard field goal from Tucker to pull to within 42–27 with 5:29 remaining in the fourth quarter.
Coming off their season-opening win over the defending Super Bowl champion Ravens, the Broncos traveled to East Rutherford, New Jersey, for an interconference duel against the New York Giants at MetLife Stadium.
The Giants tried to rally, with quarterback Eli Manning throwing a 23-yard touchdown pass to running back Da'Rel Scott with four minutes remaining in the fourth quarter, but a 47-yard field goal by Prater put the game out of reach.
Offensive tackle Ryan Clady suffered a Lisfranc fracture in his foot late in the fourth quarter, and was placed on injured reserve three days later (September 18).
The Broncos subsequently added to their lead, with Manning throwing a 13-yard touchdown pass to tight end Julius Thomas, followed by two field goals by Prater – a 41-yarder just before halftime and a 40-yarder midway through the third quarter.
The Eagles cut into the Broncos' lead in the second quarter, with a 25-yard field goal by Henery, followed by running back Chris Polk rushing for a 4-yard touchdown to pull to within 14–13.
In the fourth quarter, Broncos' linebacker Steven Johnson blocked Donnie Jones' punt and immediately returned the football 17 yards for a touchdown, which was followed by a 53-yard field goal by placekicker Matt Prater.
Manning subsequently led the Broncos on a 9-play, 73-yard drive, which culminated with running back Knowshon Moreno rushing for a 1-yard touchdown to tie the game at 48–48 with 2:24 remaining in the fourth quarter.
[100][101] The Broncos started their dominance by jumping out to a 14–0 lead in the first quarter, with quarterback Peyton Manning throwing a pair of touchdown passes – a 3-yarder to tight end Julius Thomas and a 20-yarder to wide receiver Wes Welker.
The final scoring play of the game came courtesy of cornerback Dominique Rodgers-Cromartie returning an interception off Redskins' quarterback Kirk Cousins 75 yards for a touchdown.
Coming off their win over the Redskins and subsequent bye week, the Broncos traveled to Qualcomm Stadium for an AFC West duel with the San Diego Chargers.
The Broncos jumped out to a 10–0 lead in the first quarter, with a 54-yard field goal by placekicker Matt Prater, followed by a 9-yard touchdown pass from quarterback Peyton Manning to tight end Julius Thomas.
The Broncos went three-and-out on their next offensive possession, and the Patriots subsequently added to their lead, with a 31-yard field goal by placekicker Stephen Gostkowski midway through the fourth quarter.
Just after the two-minute warning, Manning connected with tight end Julius Thomas on an 8-yard touchdown pass, and just before halftime, Prater nailed an NFL-record 64-yard field goal.
Coming off their win over the Titans, the Broncos remained on home ground for an AFC West rematch with the San Diego Chargers on Thursday Night Football.
A 15-yard touchdown pass from Texans' quarterback Matt Schaub to wide receiver Keshawn Martin was the only scoring play of the third quarter, which narrowed the Broncos' lead to 16–13.
Hoping to gain momentum into the playoffs, the Broncos traveled to the O.co Coliseum for an AFC West divisional rematch with the Oakland Raiders, in the 2013 regular season finale.
The Raiders finally got on the scoreboard, with quarterback Terrelle Pryor throwing a pair of touchdown passes – a 14-yarder to wide receiver Rod Streater and a 9-yarder to tight end Nick Kasa, but the outcome of the game had already been decided in the Broncos' favor.
[116] Notes With the win, the Broncos clinched a first-round bye and homefield advantage throughout the AFC playoffs, as well as sweeping their division rivals on the road for the fourth time in five seasons.
After Chargers' placekicker Nick Novak missed a 53-yard field goal early in the second quarter, the Broncos added to their lead, with Manning throwing a 3-yard touchdown pass to wide receiver Wes Welker.
Just before halftime, the Broncos tried to add to their lead, after wide receiver Eric Decker stumbled on a long punt return, when it appeared that he was headed to the end zone for a touchdown.
The Chargers finally got on the scoreboard at the 13:03 mark of the fourth quarter, with quarterback Philip Rivers connecting on a 16-yard touchdown pass to wide receiver Keenan Allen.
The Broncos' offense then ran out the clock, which included Manning completing two critical third-down passing plays to tight end Julius Thomas and Moreno converting a 3rd-and-1 into a game-clinching first down.
[124] The Broncos took the opening possession of the second half and added to their lead, with a 13-play, 80-yard drive that chewed up the first seven minutes of the third quarter, culminating with Manning throwing a 3-yard touchdown pass to wide receiver Demaryius Thomas.
The Patriots finally got into the end zone on their next possession, with Brady connecting on a 7-yard touchdown pass to wide receiver Julian Edelman, but the Broncos subsequently added to their lead, with Prater nailing a 54-yard field goal with seven minutes remaining.
However, a short pass from Manning intended for wide receiver Demaryius Thomas was deflected by Avril and fell incomplete, giving the Seahawks a 22–0 halftime lead.
Manning sat out the second half of the Broncos' Week 17 win over the Oakland Raiders, after he had eclipsed Drew Brees' record for single-season passing yardage by one yard just before halftime.