The Denver Broncos have been one of the best NFL team's since acquiring Peyton Manning in 2011. The Broncos have won the AFC West the last three consecutive seasons, but last year was pretty disappointing. Manning tore his quad muscle, the offensive line broke down, and the Broncos were eliminated by the Indianapolis Colts in the playoffs.

We may be in June, but there are still some quality free agent players available.

Here are five free agents the Broncos may want to consider signing.

1. Steven Jackson

C.J. Anderson really had a breakout year last season with the Broncos. The 24-year-old undrafted running back had 849 rushing yards and 10 touchdowns last season despite starting just seven games. But, the Broncos have to have a backup plan at the running back position considering they ranked 15th in the league last season in rushing. The Broncos have a lot of options if they want to add some depth at runner, and Steven Jackson would be the best option. Jackson doesn't have great speed, but he's reliable and he rarely fumbles. Jackson hasn't fumbled since 2011.

2. Jake Long

Once the No. 1 overall pick in the NFL Draft, now left for the taking. Long is a fantastic offensive lineman, and the Broncos offensive line didn't hold up at the end of last season. The only problem here is health. Long tore his ACL with the St. Louis Rams last season, but he won't cost nearly as much now as he did before. The New York Giants have been rumored to be interested. Signing Long wouldn't be very risky for the Broncos because they can release him before September without owing much or no guaranteed money at all.

3. Wes Welker

Without Julius Thomas catching balls underneath, the Broncos could re-sign Wes Welker to a small contract to move the chains and get first downs. Welker played for the Broncos the last two seasons catching a career high 10 touchdowns in 2013. Welker has his head injuries, but he still did play in 14 games last season, and he is very familiar with catching passes from Manning. Demaryius Thomas may also head elsewhere after this season, as he is currently under a team franchise tag.

4. Kevin Williams

The Broncos lost of the most underrated defensive players this offseason when defensive tackle Terrance "Pot Roast" Knighton signed with the Washington Redskins. Knighton doesn't record many sacks, but he is one of if not the best run stoppers in the league. Former Minnesota Vikings tackle Kevin Williams is currently a free agent, and he could be a great addition. Williams played in every game for the Seattle Seahawks last season including the Super Bowl against the New England Patriots. Williams has only missed three games dating back to 2005.

5. Knowshon Moreno

If Jackson isn't an option for whatever reason, Knowshon Moreno could be a good signing. Like Welker, Moreno knows the system in Denver as well having played there for five seasons. Unfortunately for Moreno, he tore his ACL with the Miami Dolphins last year and played just three games. Moreno recorded 1,038 rushing yards and 13 touchdowns in his last season in Denver alongside Manning. Health is a big concern here, so the Broncos wouldn't have to offer much or outbid others.

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