Watch enhanced replays of the Baltimore Ravens’ thrilling comeback against the Arizona Cardinals, and the Pittsburgh Steelers’ clash with AFC rival New England Tuesday night on NFL Network.

We hear a lot of banter from the public about the “Playbook” crew’s picks every week, especially when fans ardently disagree with a choice of a winner.

Ninety-four-year-old Ed Sabol became the oldest man ever inducted to the Pro Football Hall of Fame earlier this year. See how the founder of NFL Films changed the way we watch sports and earned the gratitude of generations of NFL stars when “A Football Life: Ed Sabol” premieres on NFL Network Thursday at 10 p.m. ET.

Another exciting week of games on Sunday – which means another interesting day of Monday tape study.

Relive the incredible story of Kurt Warner’s rise from NFL Europe to NFL MVP when the documentary “Kurt Warner: A Football Life” premieres Thursday night at 10 p.m. ET on NFL Network.

It took only two weeks of the season — and one of the worst starts in NFL history — for Chiefs coach Todd Haley to be placed on the hot seat.

Chiefs coach Todd Haley confirmed the expected Monday when he said star RB Jamaal Charles will be transferred to season-ending injured reserve in the wake of a serious knee injury.

Todd Haley decided enough was enough in Detroit Sunday. And we now have a Tyler Palko sighting.

One week after losing star safety Eric Berry in the season-opening loss to the Bills, RB Jamaal Charles left Sunday’s game against the Lions with what looks to be a serious left knee injury.

Lions first-round pick DT Nick Fairley will not be active for Sunday’s home opener against the Chiefs, as he continues to rehab a foot injury.

The Kansas City Chiefs have lost safety Eric Berry for the season with a torn ACL, according to a source with knowledge of the situation.

Eric Berry has left Sunday’s game against the Bills on two seperate occassions during the first quarter, a victim of what appears to be leg cramping.

Every Wednesday this season, the research staff at “Playbook” will be taking your questions through email (playbook@nfl.com) and on Twitter (@NFLN_Playbook, with #askplaybook hashtag), and answering them in this blog. Here is the first batch of questions we’ve selected.

Peyton Manning is officially out of the season opener, which means fantasy owners may have to scramble to find a replacement.

The plot thickens as Colts quarterback Peyton Manning continues to progress slowly from offseason neck surgery, putting his status in doubt for Sunday’s game against the Houston Texans.