The Detroit Lions moved safety Amari Spievey to injured reserve Saturday, nearly a month after he suffered a concussion in Week 7. The team activated CB Drayton Florence.

Calvin Johnson's knee continues to be an issue as the Detroit Lions prepare to play the Jacksonville Jaguars. The wide receiver again missed practice Friday.

Matthew Stafford directs one of the NFL's most potent passing offenses, but does a suspect Detroit Lions secondary stand a chance against the opposition? Chad Reuter reports from training camp.

In an attempt to fortify their secondary, the Lions agreed to terms with safety Sean Jones on a one-year deal. The former second-round draft pick spent the past two seasons with Tampa Bay.

Jim Schwartz & Co. have done a great job upgrading the Lions' defense across the board. The only thing holding back Detroit from boasting one of the top units in the league? A suspect secondary.

The Detroit Lions' secondary was one of the league's most ridiculed units last season. But cornerback Chris Houston says his team's defensive backfield

Lions hit the ground running in the Motor City

Since free agency began, the league has been reshaped by a series of notable signings and trades. Elliot Harrison provides updated Power Rankings, with the Bears jumping into the top five.

If the Detroit Lions want to keep playing with the big boys, they must do something about their defense, Elliot Harrison writes.

If the Vikings don't keep Sidney Rice, the Bears could make a move for the talented receiver in an attempt to stay relevant.

The Lions have taken steps forward, but to see them winning more than a handful of games this season is wishful thinking.