Arizona Cardinals news 3/8: Free agency rumors, Peyton Manning retires

The first day of free agency rumors began and there were plenty with the Arizona Cardinals. Based on what we have heard, the Cardinals are interested in everyone. Peyton Manning retired. Oh, so did Logan Mankins. Why did he pick the same day as Manning to retire?

Here are today's links to start the morning.

Cardinals:

Cardinals Blogs | As free agency opens, names float
So teams could legally start talking to free agents Monday. No deals can be executed before Wednesday (at 2 p.m. Arizona time). Any of the rumors floating around today and until then are mainly that, especially since it is agents who are getting most of the information that is being reported and agents have a reason to drive up interest in their particular clients.

Cardinals Can Now Talk Free Agency

NFL teams now allowed to "tamper' with all players; Signings can begin Wednesday

Cardinals Specialty Plate Raises Over $1 Million

Most popular custom license plate design results in big donation to Cardinals Charities

Jerraud Powers learned early in career how Peyton Manning excelled - Arizona Cardinals Blog- ESPN

Watching the lengths to which Peyton Manning got ready for each game had former teammate Jerraud Powers thinking, "I got to update my prep."

Bruce Arians happy to see Peyton Manning retire on own terms - Arizona Cardinals Blog- ESPN

Bruce Arians was there for the beginning of Peyton Manning's career in Indianapolis, and he's glad now to see his former pupil go out on top.

Arizona Cardinals running out of positions, time for Jonathan Cooper - Arizona Cardinals Blog- ESPN

The Cardinals don't have much time to decide whether they want to commit close to $12 million to former first-round pick Jonathan Cooper.

Arians: Would like to have a young QB after Palmer, Stanton

It is no surprise that the Arizona Cardinals' ascension to the top of the NFC has coincided with Carson Palmer's resurgence as a top-flight quarterback.

Bruce Arians admits coaching Peyton Manning was difficult

Arizona Cardinals head coach Bruce Arians looked back fondly at coaching the retiring Peyton Manning, but admitted it wasn't always easy.

Report: Arizona interested in Hayward, Weddle, Jenkins, Smith

The pass rush may be generating all of the attention, but the Arizona Cardinals are looking to improve their secondary, as well.

Report: Cardinals interested in Alex Boone and Evan Mathis

Looking to upgrade their offensive line, the Arizona Cardinals are reportedly interested in Alex Boone and Evan Mathis.

Report: Cardinals interested in free agent LB Bruce Irvin

Seattle outside linebacker Bruce Irvin could be on the Arizona Cardinals' free agent radar.

NFL:

Peyton Manning announces retirement with tearful speech - SBNation.com
Peyton Manning officially retires as the NFL's all-time leader in passing yards and touchdowns.

2016 NFL mock draft: How free agency could change things - SBNation.com
With veterans on the move this week, we'll continue finding clarity in this year's draft.

Eagles to trade Byron Maxwell, Kiko Alonso to the Dolphins, per report - SBNation.com
Byron Maxwell and Kiko Alonso were high-profile additions in the 2015 offseason for the Eagles, but are now headed to Miami.

Titans 'finalizing' trade for Eagles RB DeMarco Murray, per report - SBNation.com
A year later, the DeMarco Murray experiment is over in Philadelphia.

Colts re-sign TE Dwayne Allen on 4-year deal - SBNation.com
The tight end flashed a ton of potential during a breakout rookie season, but largely failed to live up to those expectations over the past few years.

Robert Griffin III released by Washington after watching 2015 season from the bench - SBNation.com
Washington's former starting quarterback didn't play a single down in 2015.

What's next for Robert Griffin III? - SBNation.com
There may be as many as 10 teams interested in the free agent quarterback.

The weirdest stats from Peyton Manning's incredible career - SBNation.com
What Peyton Manning did on fourth downs was nothing short of amazing.

The Broncos have plenty of options if they can't re-sign Brock Osweiler - SBNation.com
Osweiler may be the most seamless replacement for Peyton Manning, but he's hardly the Broncos' only choice.