And sometimes you must draft to find that answer.
The Panthers used three of their five selections in this week's NFL draft on the corner position, ostensibly to try to help fill the void left by Norman.
Even before Norman's departure, the Panthers needed to rebuild their secondary depth. Gettleman did so with the bulk of his draft picks this season.
Let's look at some draft trends for all 32 NFL teams:
Pick Fact: Round 6, Pick No. 205 -- CB Harlan Miller (Southeastern Louisiana). Miller becomes the fourth defensive back and ninth player to be drafted from Southeastern Louisiana in the modern draft era.
Three of Atlanta's first four draft picks were defensive players. The Falcons ranked 20th or worse in total defense in three of the last four seasons (in 2015 they ranked 16th).
The Ravens made five selections in the fourth round, the most fourth-round picks in the common draft era.
Pick Fact: Round 4, Pick No. 132 -- DT Willie Henry (Michigan). Henry played under Jim Harbaugh at Michigan and will now be coached by John Harbaugh.
Pick Fact: Round 6, Pick No. 182 -- WR Keenan Reynolds (Navy). Reynolds is the seventh player from the Naval Academy drafted since 1967.
Rex Ryan has used his last seven first-round picks on defensive players. Mark Sanchez in 2009 is the only offensive player selected by a Ryan team in the first round.
The Bengals have drafted a defensive back in the first round in the past three even years (2012, 2014, 2016)
The Browns drafted more players in 2016 than in 2013 and 2014 combined (11). Cleveland had 14 draft picks, most among any team this year. They used seven for offensive players and seven on defense.
Four of their picks were among FBS leaders over the last two seasons: WR Corey Coleman (first round): Led FBS with 20 receiving TDs last season; DE Emmanuel Ogbah (second): fourth in FBS with 13.0 sacks last season; DE Carl Nassib (third): Led FBS with 15.5 sacks last season; LB Scooby Wright (seventh): second in FBS in solo tackles in 2014 (99).
Pick Fact: Round 3, Pick No. 93 -- QB Cody Kessler (USC). Since 2011, 41 QBs have been drafted in Rounds 2-7. Five have made at least one Pro Bowl: 2015 sixth round Tyrod Taylor; 2014 second round Derek Carr; 2012 third round Russell Wilson; 2012 third round Nick Foles; 2011 second round Andy Dalton.
Pick Fact: Round 4, Pick No. 135 -- QB Dak Prescott (Mississippi State). Prescott is the first QB drafted by the Cowboys since Stephen McGee in the fourth round of the 2009 Draft, a streak which tied with Lions for longest by any team since last selecting a QB (2009, Matthew Stafford). Four of the last five QBs that the Cowboys have drafted have been in the fourth round.
Pick Fact: Round 6, Pick No. 217 -- TE Rico Gathers (Baylor). Gathers did not play high school or college football -- All-American basketball player at Baylor.
Pick Fact: Round 1, Pick No. 26 -- QB Paxton Lynch (Memphis). Lynch is the first QB since Tim Tebow to be drafted by the Broncos in the first round. Broncos have traded up for their last two first-round quarterbacks. Lynch, 6-foot-7, becomes the second-tallest QB selected in the first round in the common draft era (since 1967).
Green Bay Packers
Of their seven draft picks, two were offensive tackles and two were linebackers.
Two of their first three picks were wide receivers. In 2015, DeAndre Hopkins had 1,521 receiving yards. The rest of the receiver group combined for 1,446 yards.
Pick Fact: Round 3, Pick No. 85 -- WR Braxton Miller (Ohio State). Miller was the starting QB for Ohio State when they defeated a Bill O'Brien coached Penn State team 63-14 in 2013.
Pick Fact: Round 1, Pick No. 18 -- C Ryan Kelly (Alabama). Kelly became the first first-round Alabama offensive lineman taken since 2009. He is the seventh center taken in first round since 2006:
Jaguars become the first team to make a top-five pick in each of five straight years of the common (since 1967) draft. Jacksonville selected fifth overall in 2012 (Justin Blackmon), second in 2013 (Luke Joeckel), third in 2014 (Blake Bortles), third in 2015 (Dante Fowler) and fifth in 2016 (Jalen Ramsey).
Kansas City Chiefs
The Chiefs drafted four offensive players and five defensive players. Of those, the only positions they doubled up were receiver and defensive back.
Los Angeles Rams
Pick Fact: Round 4, Pick No. 117 -- WR Pharoh Cooper (South Carolina). Cooper is the fifth receiver taken in the first four rounds from South Carolina in the last decade.
Six of the Dolphins' eight draft picks were offensive players. The Dolphins have ranked outside the top 20 in total offense in five of the last six seasons. Six offensive players were the most for the Dolphins since they also selected six in 2012 -- two defensive players were the Dolphins fewest in a draft since 2011 when also drafted two players.
Pick Fact: Round 3, Pick No. 73 -- RB Kenyan Drake (Alabama). Became the sixth Alabama RB in the first three rounds since 2011:
Pick Fact: Round 2, Pick No. 54 -- CB Mackensie Alexander (Clemson). Alexander did not have an INT in his college career.
Pick Fact: Round 6, Pick No. 180 -- WR Moritz Boehringer (Germany). First international player to go straight from a European league to the NFL.
New England Patriots
The Patriots drafted four players on offense and four on defense. They selected two offensive linemen to help a unit that was often injured in 2015 (Pats used a combined 12 different starting O-line combinations).
Pick Fact: Round 2, Pick No 60 -- CB Cyrus Jones (Alabama). Jones had four punt-return TDs this season.
New Orleans Saints
Pick Fact: Round 1, Pick No. 12 -- DT Sheldon Rankins (Louisville). Rankins is the fifth Louisville first-round pick in last three years -- only had six from 1967-2013.
New York Giants
For the first time in team history, the Giants didn't select a single offensive or defensive lineman with any of their draft picks.
Pick Fact: Round 2, Pick No. 40 -- WR Sterling Shepard (Oklahoma). Shepard is the highest drafted Oklahoma WR since Mark Clayton went 22nd overall in 2005. Shepard is the seventh Oklahoma receiver drafted in the first two rounds in the modern era.
New York Jets
The Jets drafted a defensive player in three of their first four picks. New York used its eighth straight first-round pick on a defensive player.
Pick Fact: Round 2, Pick No. 51 -- QB Christian Hackenberg (Penn State). Hackenberg is the sixth QB from Penn State drafted in the first two rounds:
Pick Fact: Round 1, Pick No. 2 -- QB Carson Wentz (North Dakota State). Wentz is the highest-drafted quarterback from a non-FBS school since FBS and FCS split prior to the 1978 season. First signal-caller taken from North Dakota State in the common draft era (since 1967).
Steelers used five of their seven picks on defensive players. Steelers finished outside the top 10 in total defense in each of the last three seasons. From 2010-2012, they finished top two including first overall in 2011 and 2012. Steelers have never before drafted defensive players in each of the first three rounds since the modern draft era.
San Diego Chargers
San Francisco 49ers
The Niners drafted two players from the Pac-12. Chip Kelly's teams have selected at least two players from the Pac-12 every year he's been an NFL head coach.
Pick Fact: Round 1, Pick No. 28 -- OG Joshua Garnett (Stanford). 2016 marks the third time in the last five years that a Stanford offensive linemen has been drafted in the first round.
Tampa Bay Buccaneers
Three of the Bucs' first four picks were defensive players. Tampa ranked 10th in total defense in 2015 (340.4 YPG), but 26th in scoring defense (26.1 PPG). The Buccaneers ranked outside the top 20 in scoring defense in five straight seasons.
Pick Fact: Round 2, Pick No. 59 - K Roberto Aguayo (Florida State). Aguayo is the fourth kicker to go in the first two rounds in the last 25 drafts.
2016, 1st round, T Jack Conklin
2016, 2nd round, RB Derrick Henry
2015, 1st round, QB Marcus Mariota
2015, 2nd round, WR Dorial Green-Beckham
2014, 1st round, T Taylor Lewan
2014, 2nd round, RB Bishop Sankey
2013, 1st round, G Chance Warmack
2013, 2nd round, WR Justin Hunter
2012, 1st round, WR Kendall Wright
Pick Fact: Round 1, Pick No. 22 -- WR Josh Doctson (TCU). First receiver from TCU to be a first-round pick and first TCU skill position player in first round since running back LaDainian Tomlinson, 2001, No. 5, SD. This is the first time since 2001 the Redskins have selected a wide receiver in the first round (Rod Gardner, 15th overall).