Performance staff explains how their roles help Lions

Tori Petry closes out the position preview series with a look at the quarterbacks of the 2019 NFL Draft.

Tori Petry reports on a few of the standout running backs ahead of the NFL draft.

Catch up on all the highlights of what general manager Bob Quinn had to say ahead of the 2019 NFL Draft.

Tori Petry breaks down which corners and safeties to watch for in the NFL draft.

Tori Petry takes a look at some of the top defensive tackles in this year's draft.

Tori Petry takes you through some of the possible receiver targets in the 2019 draft.

Tori Petry takes a look at the linebackers in the 2019 NFL draft class.

Tori Petry reports on some of the top tight ends in this year's draft.

Tori Petry reports on what draft prospects had to say about their former college coaches who now work under Matt Patricia in Detroit.

Prospects out of the various Michigan schools talk about what they bring to NFL teams and how they're preparing for the draft.

NFL combine prospects talk about the current Lions they played with in college.

Tori Petry talks with Sirius XM NFL Radio's Jim Miller about which draft prospects could fit the Lions' needs.

Tori Petry, Tim Twentyman and Mike O'Hara break down the best performances from each position group at the 2019 NFL Scouting Combine.

Director of player performance Mark Stephenson, head athletic trainer Kevin Bastin, team performance dietician Sarah Snyder, head strength and conditioning coach Harold Nash and assistant strength and conditioning coach Josh Schuler describe their roles for the team and how they make the Detroit Lions better players.

Tori Petry sits down with new Lions center Frank Ragnow to talk about the phone call where he became a Lion and what he's bringing to Detroit.