Kurt Warner has leapfrogged Matt Leinart as the starting quarterback for the Arizona Cardinals.

It's a great comeback story for a player who was a surprise in the NFL to begin with. By now, most sports fans know the Kurt Warner story -- he was undrafted and played in NFL Europe, the Arena League and worked in a supermarket to pay the bills before his ascent to two-time MVP and Super Bowl champion.

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Warner's resume is impressive, but after playing just nine games in 2002-03 and leaving the St. Louis Rams in 2004 for the New York Giants, his career has been on a downward track. The last few years he has gotten into his fair share of games, but when the franchise drafted Leinart, it was clear who the quarterback of the future is. While Leinart still may be that guy, Warner is getting the nod for now.

It's a great role reversal for a quarterback who lead his team to a Super Bowl victory and was at the helm of "the Greatest Show on Turf," the nickname for the Rams' offense during Warner's years in St. Louis.

For today's pick, I have another comeback story for you:

Cisco Systems

(CSCO) - Get Report

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The company sells Internet Protocol-based networking products and other goods related to the communications and information technology industry. It sells routers that connect computer networks and other equipment that helps people connect to each other through their computers in various ways.

Other products include voice and data modems, network cards, media adapters, Internet video cameras, UBS adapters and network storage devices.

I think this company is poised to do well in this environment. With the economy hurting, companies that can help other companies save money and run more efficiently should do well. As firms look to cut back on workforce-related costs, tech shops like Cisco should see a benefit.

I also think this company is pretty cheap at its current level. It was around $24 in early trading today. Despite losing more than 22% of its value in the last year, it is rebounding off its lowest point of the year at $20.56 in mid-July and it is working its way back up.

Cisco is a proven winner, and when I look at the numbers, I see a solid company. It has a forward price-to-earnings ratio of 12.61, which shows me it is undervalued and it has a price/earnings growth ratio of 0.96. It has a return on equity of 24.46%.

In addition, I like that it has revenue of more than $39 billion and $26 billion in the bank. That will allow the company flexibility to do what is necessary to continue to grow the business despite an economic downturn. Lastly, it has operating cash flow of more than $12 billion.

Keep moving the chains!

At the time of publication, Brown had no positions in stocks mentioned, although positions may change at any time.

Tim Brown played 16 seasons in the NFL, where he made nine Pro Bowls. After a brief stint with the Tampa Bay Buccaneers in 2004, Brown retired as an Oakland Raider. He was a Heisman Trophy winner in college for Notre Dame.