Here's a look at the PFF mid-season grades for the Hawkeyes along with some added notes and stats.
OFFENSE - STARTERS & CONTRIBUTORS
C Tyler Linderbaum - 90.1 - (264 snaps - #1 center in the country and overall #1 OL in the Big Ten)
TE Shaun Beyer - 89.3 - (149 snaps)
LG Cody Ince - 82.0 - (143 snaps)
RG Cole Banwart - 80.3 - (218 snaps)
RT Mark Kallenberger - 79.8 - (171 snaps)
LT Alaric Jackson - 77.6 - (265 snaps)
RB Tyler Goodson - 73.3 - (177 snaps)
WR Charlie Jones - 69.9 - (23 snaps)
RB Mekhi Sargent - 68.3 - (71 snaps)
WR Tyrone Tracy Jr. - 67.1 - (124 snaps)
TE Sam LaPorta - 65.9 - (196 snaps)
FB Monte Pottebaum - 63.1 - (71 snaps)
WR Nico Ragaini - 62.7 - (127 snaps)
RB Ivory Kelly-Martin - 61.6 - (31 snaps)
QB Spencer Petras - 60.2 - (259 snaps)
WR Brandon Smith - 58.3 - (216 snaps)
OG Kyler Schott - 58.2 - (147 snaps)
RT Coy Cronk - 55.1 - (94 snaps)
WR Ihmir Smith-Marsette - 52.2 - (140 snaps)
OFFENSE - RESERVES
WR Alec Kritta - 82.4 - (15 snaps)
OT Nick DeJong - 79.0 - (16 snaps)
QB Alex Padilla - 69.2 - (18 snaps)
OC/OG Justin Britt - 63.9 - (36 snaps)
RB Gavin Williams - 63.6 - (12 snaps)
OC Noah Fenske - 60.0 - (1 snap)
FB Turner Pallissard - 59.3 - (11 snaps)
TE Bryce Schulte - 58.8 - (15 snaps)
WR Jackson Ritter - 56.7 - (14 snaps)
OG Tyler Elsbury - 55.3 - (15 snaps)
TE Luke Lachey - 54.8 - (7 snaps)
OT Jack Plumb - 54.6 - (16 snaps)
OG Mason Richman - 35.7 - (15 snaps)
DEFENSE - STARTERS & CONTRIBUTORS
CB Riley Moss - 76.1 - (276 snaps)
DE Chauncey Golston - 75.5 - (224 snaps)
DE Zach VanValkenburg - 75.2 - (207 snaps)
S Jack Koerner - 75.0 - (277 snaps)
DT Jack Heflin - 72.0 - (196 snaps)
DT Daviyon Nixon - 70.9 - (237 snaps)
CB Matt Hankins - 66.0 - (277 snaps)
S Kaevon Merriweather - 64.9 - (154 snaps)
LB Jestin Jacobs - 64.7 - (61 snaps)
DT Noah Shannon - 63.7 - (88 snaps)
DB Dane Belton - 63.5 - (269 snaps)
LB Nick Niemann - 63.3 - (267 snaps)
DE John Waggoner - 61.9 - (78 snaps)
LB Seth Benson - 61.6 - (170 snaps)
LB Barrington Wade - 60.1 - (135 snaps)
DE Joe Evans - 59.9 - (105 snaps)
LB Jack Campbell - 55.4 - (27 snaps)
CB Julius Brents - 51.7 - (95 snaps)
DT Austin Schulte - 40.4 - (12 snaps)
DEFENSE - RESERVES
LB Mike Timm - 71.4 - (12 snaps)
S Reggie Bracy - 68.6 - (26 snaps)
DE Yahya Black - 66.9 - (15 snaps)
DT Logan Lee - 54.6 - (24 snaps)
LB Jay Higgins - 53.7 - (15 snaps)
CB Jermari Harris - 52.7 - (22 snaps)
DE Matt Lorbeck - 52.6 - (15 snaps)
CB Terry Roberts - 50.1 - (29 snaps)
DT Dalles Jacobus - 48.3 - (32 snaps)
S Quinn Schulte - 47.8 - (27 snaps)
LB Logan Klemp - 40.4 - (5 snaps)
That is everyone that has played an offensive and defensive snap so far this season.
SPECIALISTS
P Tory Taylor - 80.0 - (20 snaps)
K Caleb Shudak - 75.8 - (23 kickoffs)
K Keith Duncan - 68.5 - (20 snaps)
OFFENSE - STARTERS & CONTRIBUTORS
C Tyler Linderbaum - 90.1 - (264 snaps - #1 center in the country and overall #1 OL in the Big Ten)
TE Shaun Beyer - 89.3 - (149 snaps)
LG Cody Ince - 82.0 - (143 snaps)
RG Cole Banwart - 80.3 - (218 snaps)
RT Mark Kallenberger - 79.8 - (171 snaps)
LT Alaric Jackson - 77.6 - (265 snaps)
RB Tyler Goodson - 73.3 - (177 snaps)
WR Charlie Jones - 69.9 - (23 snaps)
RB Mekhi Sargent - 68.3 - (71 snaps)
WR Tyrone Tracy Jr. - 67.1 - (124 snaps)
TE Sam LaPorta - 65.9 - (196 snaps)
FB Monte Pottebaum - 63.1 - (71 snaps)
WR Nico Ragaini - 62.7 - (127 snaps)
RB Ivory Kelly-Martin - 61.6 - (31 snaps)
QB Spencer Petras - 60.2 - (259 snaps)
WR Brandon Smith - 58.3 - (216 snaps)
OG Kyler Schott - 58.2 - (147 snaps)
RT Coy Cronk - 55.1 - (94 snaps)
WR Ihmir Smith-Marsette - 52.2 - (140 snaps)
OFFENSE - RESERVES
WR Alec Kritta - 82.4 - (15 snaps)
OT Nick DeJong - 79.0 - (16 snaps)
QB Alex Padilla - 69.2 - (18 snaps)
OC/OG Justin Britt - 63.9 - (36 snaps)
RB Gavin Williams - 63.6 - (12 snaps)
OC Noah Fenske - 60.0 - (1 snap)
FB Turner Pallissard - 59.3 - (11 snaps)
TE Bryce Schulte - 58.8 - (15 snaps)
WR Jackson Ritter - 56.7 - (14 snaps)
OG Tyler Elsbury - 55.3 - (15 snaps)
TE Luke Lachey - 54.8 - (7 snaps)
OT Jack Plumb - 54.6 - (16 snaps)
OG Mason Richman - 35.7 - (15 snaps)
DEFENSE - STARTERS & CONTRIBUTORS
CB Riley Moss - 76.1 - (276 snaps)
DE Chauncey Golston - 75.5 - (224 snaps)
DE Zach VanValkenburg - 75.2 - (207 snaps)
S Jack Koerner - 75.0 - (277 snaps)
DT Jack Heflin - 72.0 - (196 snaps)
DT Daviyon Nixon - 70.9 - (237 snaps)
CB Matt Hankins - 66.0 - (277 snaps)
S Kaevon Merriweather - 64.9 - (154 snaps)
LB Jestin Jacobs - 64.7 - (61 snaps)
DT Noah Shannon - 63.7 - (88 snaps)
DB Dane Belton - 63.5 - (269 snaps)
LB Nick Niemann - 63.3 - (267 snaps)
DE John Waggoner - 61.9 - (78 snaps)
LB Seth Benson - 61.6 - (170 snaps)
LB Barrington Wade - 60.1 - (135 snaps)
DE Joe Evans - 59.9 - (105 snaps)
LB Jack Campbell - 55.4 - (27 snaps)
CB Julius Brents - 51.7 - (95 snaps)
DT Austin Schulte - 40.4 - (12 snaps)
DEFENSE - RESERVES
LB Mike Timm - 71.4 - (12 snaps)
S Reggie Bracy - 68.6 - (26 snaps)
DE Yahya Black - 66.9 - (15 snaps)
DT Logan Lee - 54.6 - (24 snaps)
LB Jay Higgins - 53.7 - (15 snaps)
CB Jermari Harris - 52.7 - (22 snaps)
DE Matt Lorbeck - 52.6 - (15 snaps)
CB Terry Roberts - 50.1 - (29 snaps)
DT Dalles Jacobus - 48.3 - (32 snaps)
S Quinn Schulte - 47.8 - (27 snaps)
LB Logan Klemp - 40.4 - (5 snaps)
That is everyone that has played an offensive and defensive snap so far this season.
SPECIALISTS
P Tory Taylor - 80.0 - (20 snaps)
K Caleb Shudak - 75.8 - (23 kickoffs)
K Keith Duncan - 68.5 - (20 snaps)