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What can we take from the 49ers defensive snap count through 9 games?

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The San Francisco 49ers are through nine games, and heading into their bye week. We take a look at some of the snap counts through nine weeks.

The San Francisco 49ers head into their bye weekend with players spread far and wide for a few days of R&R. Injured players are still around the facility, but the team will not return to practice until Monday. In the meantime, we can assess where things stand after nine games of football.

Yesterday, we took a look at the 49ers cumulative offensive snap count. We're back today with the defensive snap count. Eric Reid and NaVorro Bowman are at the top of the list, which is fitting in part because of their leadership roles with the team.

Defensive Line

Glenn Dorsey: 352
Quinton Dial: 346
Ian Williams: 337
Tony Jerod-Eddie: 166
Arik Armstead: 152
Tank Carradine: 151
Mike Purcell: 14

Matt Barrows pointed out an interesting fact. Glenn Dorsey leads the defensive line in snaps, but in 2012, Justin Smith led the group with 540 snaps through the same number of games. Even if every game had more total defensive snaps, we know the 49ers are doing a lot more rotation. Smith averaged 21 more snaps per game in 2012, as he and Ray McDonald were serious workhorses.

Tank Carradine is near the bottom, ahead of only Mike Purcell, who has only been active for one game. Jim Tomsula hinted at a new role for Tank in the coming weeks, with some suggesting more of a pass rushing OLB type role. Given that he was up over 290 pounds heading into the season, we'll see what this all means in the coming weeks.

Outside Linebacker

Aaron Lynch: 508
Ahmad Brooks: 439
Eli Harold: 138
Corey Lemonier: 94

It is not surprise Aaron Lynch and Ahmad Brooks lead the way here. I would like to see more work for Eli Harold, but he has not exactly wow'd in limited opportunities. It is a work in progress, and at least he earned his way past Corey Lemonier on the depth chart!

Inside Linebacker

NaVorro Bowman: 590
Michael Wilhoite: 490
Gerald Hodges: 37
Shayne Skov: 8

NaVorro Bowman and Michael Wilhoite are the work-horses, and it's not even close. It will be interesting to see next offseason how the competition for work goes. Wilhoite will be a restricted free agent, which means we can probably expect him to return. Hodges will have a full offseason to compete, and remains a talented option. Skov appears destined for Nick Bellore, Blake Costanzo territory as a full-time special teams player.

Cornerback

Tramaine Brock: 549
Kenneth Acker: 533
Jimmie Ward: 373
Dontae Johnson: 133
Marcus Cromartie: 59
Keith Reaser: 28
Chris Davis: 17

This coming week will be interesting for the cornerback depth chart. Kenneth Acker seized the starting job opposite Tramaine Brock to start the season, with Dontae Johnson getting some nickel and dime work. However, after a solid Week 3 performance, Johnson was exclusively on special teams. He got back into the lineup in Week 8 following injuries, and then started in Week 9, and performed quite well against Julio Jones. Will he get more snaps in Week 11 against Seattle, or is it back to the special teams work for him?

Safety

Eric Reid: 600
Antoine Bethea: 443
Jaquiski Tartt: 275

The 49ers will get to see plenty of Jaquiski Tartt the rest of this season with Antoine Bethea on injured reserve. The 49ers were already working him into the lineup in a variety of ways, but now we get to see him in an exclusively strong safety role for the final half of the season. It is not ideal to lose Bethea, but there is a silver lining.

Week 1-3

Wk 1 vs. MIN Offense Defense ST Wk 2 @ PIT Offense Defense ST Wk 3 @ ARI Offense Defense ST
Erik Pears 73 5 Erik Pears 90 2 Erik Pears 50 1
Jordan Devey 73 5 Joe Staley 90 2 Joe Staley 50 1
Marcus Martin 73 5 Alex Boone 90 2 Alex Boone 50 1
Joe Staley 73 Colin Kaepernick 90 Jordan Devey 50 1
Colin Kaepernick 73 Marcus Martin 90 Marcus Martin 50
Alex Boone 73 Jordan Devey 89 2 Colin Kaepernick 50
Vernon Davis 72 Vernon Davis 84 Anquan Boldin 40
Anquan Boldin 59 Anquan Boldin 80 Garrett Celek 34 11
Carlos Hyde 55 Torrey Smith 49 Vernon Davis 33
Garrett Celek 51 7 Garrett Celek 46 11 Torrey Smith 31
Torrey Smith 44 Carlos Hyde 45 Carlos Hyde 30
Vance McDonald 37 13 Mike Davis 41 Blake Bell 21
Quinton Patton 14 12 Quinton Patton 34 15 Quinton Patton 19 13
Bruce Miller 11 15 Vance McDonald 20 4 Mike Davis 18
Jarryd Hayne 10 3 Blake Bell 18 Bruce Miller 12 20
Reggie Bush 8 DeAndrew White 16 8 DeAndrew White 10 8
Bruce Ellington 3 4 Bruce Miller 14 19 Jarryd Hayne 2 4
Blake Bell 1 Jarryd Hayne 4 2 Antoine Bethea 71 9
Kenneth Acker 56 8 Eric Reid 57 10 Tramaine Brock 71 9
Eric Reid 56 5 Kenneth Acker 57 9 NaVorro Bowman 71 8
Tramaine Brock 56 3 Antoine Bethea 57 5 Kenneth Acker 67 14
Antoine Bethea 56 2 Tramaine Brock 55 5 Eric Reid 64 15
NaVorro Bowman 55 2 NaVorro Bowman 53 5 Aaron Lynch 58 9
Ahmad Brooks 49 2 Michael Wilhoite 49 10 Michael Wilhoite 56 13
Aaron Lynch 47 2 Ahmad Brooks 41 5 Ahmad Brooks 56 9
Michael Wilhoite 41 5 Glenn Dorsey 40 5 Ian Williams 46 9
Ian Williams 36 2 Ian Williams 40 5 Glenn Dorsey 42 9
Glenn Dorsey 36 2 Aaron Lynch 38 4 Quinton Dial 38 10
Quinton Dial 28 7 Quinton Dial 30 6 Tank Carradine 34
Dontae Johnson 20 15 Jimmie Ward 27 11 Tony Jerod-Eddie 30 9
Jaquiski Tartt 20 15 Dontae Johnson 19 17 Dontae Johnson 20 19
Tank Carradine 17 Tank Carradine 17 Jaquiski Tartt 18 15
Jimmie Ward 13 7 Arik Armstead 14 Arik Armstead 18
Tony Jerod-Eddie 12 2 Jaquiski Tartt 11 15 Corey Lemonier 18
Arik Armstead 12 Tony Jerod-Eddie 10 10 Eli Harold 16 13
Eli Harold 5 10 Eli Harold 8 11 Jimmie Ward 14 11
Shayne Skov 1 15 Shayne Skov 4 18 Shayne Skov 3 19
L.J. McCray 15 L.J. McCray 18 Keith Reaser 3 2
Nick Bellore 15 Nick Bellore 18 L.J. McCray 19
Bradley Pinion 13 Bradley Pinion 10 Nick Bellore 19
Kyle Nelson 8 Kyle Nelson 6 Bradley Pinion 10
Phil Dawson 5 Keith Reaser 3 Kyle Nelson 7
Ian Silberman 5 Phil Dawson 2 Phil Dawson 1
Trenton Brown 5
Keith Reaser 3

Week 4-6

Wk 4 vs. GB Offense Defense ST Wk 5 @ NYG Offense Defense ST Wk 6 vs. BAL Offense Defense ST
Erik Pears 50 1 Erik Pears 68 5 Erik Pears 59 5
Joe Staley 50 1 Alex Boone 68 5 Alex Boone 59 5
Alex Boone 50 1 Joe Staley 68 Colin Kaepernick 59
Jordan Devey 50 1 Colin Kaepernick 68 Joe Staley 59
Marcus Martin 50 Marcus Martin 68 Marcus Martin 59
Colin Kaepernick 50 Anquan Boldin 63 Torrey Smith 52 1
Anquan Boldin 48 Garrett Celek 61 13 Carlos Hyde 47
Torrey Smith 47 Carlos Hyde 61 Garrett Celek 46 11
Garrett Celek 40 12 Torrey Smith 49 Anquan Boldin 42
Carlos Hyde 37 Andrew Tiller 34 5 Andrew Tiller 34 5
Quinton Patton 24 12 Jordan Devey 34 5 Vernon Davis 34
Vance McDonald 20 6 Vance McDonald 33 8 Jordan Devey 25 5
Reggie Bush 13 Bruce Miller 29 17 Bruce Miller 23 18
Bruce Miller 9 19 Quinton Patton 24 Quinton Patton 20 14
Blake Bell 9 Blake Bell 12 Vance McDonald 16 10
Bruce Ellington 3 4 Jarryd Hayne 3 2 Jarryd Hayne 9 6
Tramaine Brock 73 4 Reggie Bush 3 Mike Davis 3
Antoine Bethea 73 4 Bruce Ellington 2 7 Blake Bell 2 1
NaVorro Bowman 73 Antoine Bethea 79 7 DeAndrew White 1 4
Eric Reid 72 10 Tramaine Brock 79 7 Kenneth Acker 76 16
Kenneth Acker 71 13 Kenneth Acker 78 14 Tramaine Brock 76 5
Jimmie Ward 62 6 Eric Reid 78 10 Antoine Bethea 76 5
Ahmad Brooks 61 Jimmie Ward 77 13 NaVorro Bowman 76
Michael Wilhoite 60 10 NaVorro Bowman 75 Eric Reid 75 10
Aaron Lynch 59 4 Aaron Lynch 73 4 Aaron Lynch 69 5
Glenn Dorsey 45 4 Michael Wilhoite 56 9 Ahmad Brooks 67
Quinton Dial 37 5 Quinton Dial 52 12 Michael Wilhoite 63 9
Ian Williams 28 4 Glenn Dorsey 35 7 Jimmie Ward 53 12
Corey Lemonier 20 Ian Williams 33 7 Quinton Dial 41 8
Tank Carradine 20 Eli Harold 33 7 Glenn Dorsey 41 5
Tony Jerod-Eddie 16 5 Tony Jerod-Eddie 31 12 Ian Williams 38 5
Arik Armstead 11 Corey Lemonier 29 Tony Jerod-Eddie 23 11
Keith Reaser 8 2 Arik Armstead 24 10 Arik Armstead 20 2
Jaquiski Tartt 7 19 Jaquiski Tartt 23 17 Jaquiski Tartt 14 19
Eli Harold 7 10 Tank Carradine 10 Tank Carradine 14
Shayne Skov 23 Keith Reaser 5 7 Eli Harold 13 12
Nick Bellore 23 Nick Bellore 24 Keith Reaser 1 2
Dontae Johnson 19 Shayne Skov 24 Nick Bellore 25
L.J. McCray 18 L.J. McCray 17 Shayne Skov 25
Bradley Pinion 9 Dontae Johnson 17 L.J. McCray 19
Jarryd Hayne 7 Bradley Pinion 14 Dontae Johnson 19
Kyle Nelson 7 Kyle Nelson 8 Bradley Pinion 17
Phil Dawson 1 Phil Dawson 5 Kyle Nelson 9
Phil Dawson 5

Week 7-9

Wk 7 vs. SEA Offense Defense ST Wk 8 @ STL Offense Defense ST Wk 9 vs. ATL Offense Defense ST
Erik Pears 46 1 Erik Pears 67 2 Erik Pears 66 3
Alex Boone 46 1 Alex Boone 67 2 Alex Boone 66 3
Colin Kaepernick 46 Colin Kaepernick 67 Joe Staley 66
Joe Staley 46 Joe Staley 67 Marcus Martin 66
Marcus Martin 46 Marcus Martin 67 Blaine Gabbert 64
Vernon Davis 43 Vernon Davis 63 Torrey Smith 55 1
Anquan Boldin 40 Torrey Smith 61 Vance McDonald 54 9
Torrey Smith 40 Jordan Devey 37 2 Andrew Tiller 48 3
Jordan Devey 23 1 Jerome Simpson 33 Garrett Celek 46 1
Andrew Tiller 23 1 Bruce Miller 30 27 Shaun Draughn 44
Garrett Celek 21 6 Andrew Tiller 30 2 Quinton Patton 38 12
Carlos Hyde 20 Quinton Patton 28 22 Bruce Miller 33 22
Quinton Patton 19 13 Kendall Gaskins 28 11 Jerome Simpson 17
Reggie Bush 17 4 Mike Davis 27 Kendall Gaskins 16 21
Bruce Miller 10 19 Bruce Ellington 13 13 Bruce Ellington 16 16
Vance McDonald 9 10 Garrett Celek 18 7 Jordan Devey 9 3
Mike Davis 9 Vance McDonald 17 14 Trenton Brown 9
Bruce Ellington 2 5 Reggie Bush 7 2 Pierre Thomas 4 2
Tramaine Brock 72 5 Jaquiski Tartt 69 9 Blake Bell 4
Eric Reid 68 14 Kenneth Acker 66 16 DeAndrew White 3 8
Michael Wilhoite 64 13 Tramaine Brock 66 8 Colin Kaepernick 2
Aaron Lynch 64 5 Eric Reid 65 14 Dontae Johnson 64 21
Ahmad Brooks 64 NaVorro Bowman 61 Jaquiski Tartt 64 15
NaVorro Bowman 62 Michael Wilhoite 60 9 Eric Reid 64 12
Kenneth Acker 61 10 Aaron Lynch 49 2 NaVorro Bowman 63
Ian Williams 51 4 Ahmad Brooks 47 Marcus Cromartie 59 11
Jaquiski Tartt 48 12 Quinton Dial 45 5 Ahmad Brooks 53
Quinton Dial 46 6 Glenn Dorsey 44 4 Aaron Lynch 50 3
Glenn Dorsey 39 5 Jimmie Ward 42 22 Jimmie Ward 49 19
Jimmie Ward 35 10 Ian Williams 37 4 Michael Wilhoite 42 4
Antoine Bethea 30 3 Eli Harold 24 16 Glenn Dorsey 30 4
Tank Carradine 30 Tony Jerod-Eddie 20 8 Quinton Dial 28 7
Arik Armstead 17 2 Corey Lemonier 18 5 Ian Williams 27 4
Eli Harold 16 5 Arik Armstead 14 4 Arik Armstead 22 8
Gerald Hodges 14 1 Gerald Hodges 11 3 Tony Jerod-Eddie 22 7
Keith Reaser 9 3 Dontae Johnson 10 27 Chris Davis 17 6
Tony Jerod-Eddie 2 6 Tank Carradine 9 Eli Harold 16 17
Nick Bellore 24 Keith Reaser 2 2 Mike Purcell 14
Shayne Skov 24 Nick Bellore 31 Gerald Hodges 11 2
L.J. McCray 19 Shayne Skov 31 Corey Lemonier 9
Dontae Johnson 18 Bradley Pinion 15 Shayne Skov 26
Bradley Pinion 12 Kyle Nelson 12 Nick Bellore 26
Kyle Nelson 10 L.J. McCray 9 Kyle Nelson 8
Phil Dawson 1 Phil Dawson 3 Bradley Pinion 8
Phil Dawson 7