An underwhelming class of running back prospects puts up a record-low combine performance.

This month: The AAF gets started, the Combine begins, spring training starts, reflections on past drafts, confessions of childhood sins, teams make offseason plans, and there's a shaving.

The Bills and Dolphins need offensive line help, the Jets hunt for something they've been missing since John Abraham, and the Patriots try to reshape their receiver depth chart.

Oklahoma's Heisman-winning quarterback is tiny and inexperienced -- and also blessed with such ridiculous physical talent that somebody's going to take a shot at developing him into a franchise quarterback. Derrik Klassen breaks down Murray's extreme strengths and weaknesses, and where he'll need to improve to win in the NFL.

There's a lot we don't know about the Rams, but we know they need pass-rushers. Elsewhere, the Cardinals need blockers, the 49ers need defensive backs, and the Seahawks -- shockingly -- don't need help on the offensive line.

Which routes and coverages work best when the offense needs to pick up big yardage in one play? And which individuals played best and worst in those situations?

The Falcons and Panthers both require serious help along the defensive front, whereas the Buccaneers and Saints have still not filled their biggest post-draft holes from last year.

The Bears could suffer some major losses in the secondary that would make it hard to repeat as the league's best defense. Elsewhere, the Lions need pass-rushers, the Packers need pass-catchers, and the Vikings need pass-blockers.

The LSU Tigers have a tradition of developing high-quality defensive backs for the NFL, and this cornerback looks like he'll meet those high standards.

When kickoffs go into the end zone, should returners try to make a play, or just take a knee and settle for a touchback? Guest columnist Jack Duffin breaks down the numbers and finds teams are making the wrong decision more often than not.