49ers vs. Chargers PFF grades: Best and worst from the game, plus snap counts

The San Francisco 49ers earned a decisive victory in the preseason with a 41-17 win against the Los Angeles Chargers at SoFi Stadium. Pro Football Focus released its grades and snap counts from the game, providing a closer look at which 49ers players stood out and who has more work to do.

Highest-graded 49ers: Offense

• De'Zhaun Stribling, WR, 90.5, 14 snaps
• Luke Farrell, TE, 78.9, 13 snaps
• KhaDarel Hodge, WR, 78.8, 26 snaps
• Khalil Herbert, RB, 76.0, 15 snaps
• Brandon Parker, RT, 74.5, 25 snaps

Highest-graded 49ers: Defense

• James Thompson Jr., DT, 90.3, 26 snaps
• Jack Jones, CB, 88.4, 29 snaps
• Ogbo Okoronkwo, DE, 84.3, 27 snaps
• Bryson Eason, DT, 80.9, 26 snaps
• Deommodore Lenoir, CB, 80.2, 17 snaps

Lowest-graded 49ers: Offense

• Adrian Martinez, QB, 26.3, 38 snaps
• Carver Willis, LG, 40.0, 42 snaps
• Trenton Irwin, WR, 40.9, 30 snaps
• Jake Tonges, TE, 43.0, 18 snaps
• Brayden Willis, TE, 43.6, 37 snaps

Lowest-graded 49ers: Defense

• Ashtyn Davis, SS, 29.7, 25 snaps
• Patrick McMorris, FS, 29.8, 17 snaps
• Garret Wallow, LB, 31.2, 32 snaps
• Jalen Stroman, SS, 37.5, 42 snaps
• Xavier Thomas, DE, 45.0, 19 snaps

Highest-graded Chargers

• Jerand Bradley, TE, 91.5, 5 snaps
• Denzel Perryman, LB, 90.5, 10 snaps
• Junior Colson, LB, 89.1, 20 snaps
• Rodney Shelley, CB, 84.6, 38 snaps
• Marlowe Wax, LB, 84.3, 19 snaps

Quarterback play

Brock Purdy was the game's highest-graded quarterback, finishing with a 64.1 offensive grade and a 65.9 passing grade. He completed 4 of 6 attempts for 29 passing yards during his lone drive of the night.

Mac Jones entered the game after Purdy and completed 6 of 13 attempts for a game-high 89 passing yards. He finished with a 51.3 offensive grade and a 53.8 passing grade.

Adrian Martinez was the only 49ers quarterback to throw a touchdown. He completed 8 of 17 attempts for 57 passing yards while throwing two interceptions and adding a rushing touchdown. Martinez was the game's lowest-graded player overall, earning a 26.3 offensive grade.

Highest marks

Wide receiver De'Zhaun Stribling was the 49ers' highest-graded player (90.5) and tied Chargers linebacker Denzel Perryman for the second-highest grade of any player in the game. More on Stribling below.

Rookie defensive tackle James Thompson Jr. was the 49ers' highest-graded defensive player (90.3).

Blocking

Brandon Parker, who played right tackle, was the game's highest-graded offensive lineman (74.5). He didn't allow a single pressure on 15 pass-blocking snaps out of 25 total snaps.

Recently re-signed offensive lineman Nick Zakelj, who played left guard, earned the second-highest grade (72.9) among the game's offensive linemen. He allowed one pressure and one hurry on 20 pass-blocking snaps out of 38 total snaps.

The 49ers' lowest-graded offensive lineman was rookie Carver Willis, who allowed two pressures and two hurries on 24 pass-blocking snaps out of 42 total snaps at left guard. That's a notable turnaround from last week's game against the Tennessee Titans, when Willis was the 49ers' highest-graded player. Against the Chargers, he earned a 41.1 run-blocking grade and a 44.4 pass-blocking grade.

Rookie Enrique Cruz Jr., who played right tackle, tied veteran Austen Pleasants, who played left tackle, for the most pressures allowed in the game with four each. Pleasants was the 49ers' lowest-graded pass-blocking offensive lineman (29.1).

Center Drake Nugent earned the best pass-blocking grade (72.5) among the 49ers' offensive linemen, while right tackle Brandon Parker posted the team's best pass-blocking grade (82.2).

The game's best overall run-blocker was rookie wide receiver De'Zhaun Stribling, who earned an 86.0 grade in the category.

Right tackle Colton McKivitz earned the 49ers' worst run-blocking grade (36.3), while running back Sincere McCormick was the team's lowest-graded pass blocker (29.1).

In total, the 49ers surrendered 17 pressures, with 16 charged to the offensive line.

• RT Enrique Cruz Jr., LT Austen Pleasants — 4 each
• C Doug Kramer — 3
• LG Carver Willis — 2
• RT Isaac Alarcon, C Drake Nugent, LG Nick Zakelj — 1 each

• RB Khalil Herbert — 1

Pass catchers

Wide receiver De'Zhaun Stribling earned the 49ers' highest receiving grade (85.1). The standout rookie finished with four catches for 46 receiving yards on five targets. Veteran wide receiver KhaDarel Hodge ranked second with a 77.0 receiving grade.

Wide receiver Jordan Watkins earned a 66.4 receiving grade, catching three of his four targets for 41 yards.

Tight end Brayden Willis was the game's lowest-graded pass catcher, earning a 47.3 receiving grade. He failed to record a catch on two targets.

Wide receiver Jacob Cowing may have flashed on special teams as a returner, but as a pass catcher, he earned just a 58.5 receiving grade, catching two of his seven targets for 14 yards.

• WR De'Zhaun Stribling — 1

Rushing

Running back Khalil Herbert's 78.9 rushing grade was the game's highest, narrowly edging Chargers quarterback Trey Lance (78.3). Herbert finished with four carries for 17 yards, averaging 4.3 yards per carry.

Rookie running back Kaelon Black rushed for 33 yards on eight carries (4.1 yards per carry) and earned a 71.8 rushing grade. Sincere McCormick led the game with 53 rushing yards on six carries (8.8 yards per carry) and scored a rushing touchdown, but finished with a 67.4 rushing grade.

Zamir White was the game's lowest-graded running back (49.1).

Pass rush

Defensive tackle James Thompson Jr. was the 49ers' highest-graded pass rusher (80.8), although he was credited with just one pressure on 17 pass-rush snaps out of 26 total snaps.

Safety Ashtyn Davis was the 49ers' lowest-graded pass rusher, earning a 38.2 mark. Rookie defensive end Romello Height earned a 54.8 pass-rushing grade.

Defensive end Sam Okuayinonu recorded two pressures, the most among all 49ers defenders.

• DE Sam Okuayinonu — 2
• DE Quinton Bell, DE Victor Dimukeje, DT James Thompson Jr., DT Osa Odighizuwa, DE Ogbo Okoronkwo, DE Xavier Thomas, DT Sebastian Valdez — 1 each

Run defense

San Francisco's highest-graded run defender was defensive tackle James Thompson Jr. (79.8), while defensive end Xavier Thomas earned the team's lowest run-defense grade (43.5).

Linebackers Tatum Bethune and Garret Wallow tied for a team-high three stops each.

Pass defense

Veteran 49ers cornerback Jack Jones, who has been a standout throughout training camp, turned in a strong performance against the Chargers. Jones earned the team's best coverage grade (89.9), didn't allow a catch on two targets, and broke up two passes.

The next-highest coverage grade among 49ers defenders belonged to cornerback Deommodore Lenoir (76.8). Renardo Green, the team's other projected starting outside cornerback, earned a 45.1 coverage grade before exiting with an injury.

Linebacker Garret Wallow earned the game's worst coverage grade (29.6).

Tackling

Safety Ji'Ayir Brown earned an 80.7 tackling grade, the highest of any player in the game. He recorded one tackle for a stop.

49ers safety Patrick McMorris earned the game's lowest tackling grade (18.6). However, linebacker Garret Wallow led the game with three missed tackles and finished with a 27.4 tackling grade.

• LB Garret Wallow — 3
• LB Nick Martin, FS Patrick McMorris, DT Osa Odighizuwa, DE Ogbo Okoronkwo, DE Xavier Thomas — 1 each

49ers snap counts

Offense
53 - Jordan Watkins (WR)
52 - Austen Pleasants (LT)
48 - Enrique Cruz Jr. (RT)
45 - Connor Colby (RG)
42 - Carver Willis (LG)
38 - Adrian Martinez (QB), Doug Kramer (C), Isaac Alarcon (RT), Nick Zakelj (LG)
37 - Brayden Willis (TE)
30 - Trenton Irwin (WR)
29 - Hayden Rucci (TE)
28 - Jacob Cowing (WR)
26 - KhaDarel Hodge (WR)
25 - Brandon Parker (RT), Drake Nugent (C), Mac Jones (QB)
24 - Zamir White (RB)
20 - Sincere McCormick (RB)
19 - Demarcus Robinson (WR)
18 - Jake Tonges (TE)
16 - Kaelon Black (RB)
15 - Khalil Herbert (RB)
14 - De'Zhaun Stribling (WR)
13 - Luke Farrell (TE)
12 - Brock Purdy (QB), Colton McKivitz (RT), Jake Brendel (C), Josiah Deguara (TE)
11 - Will Pauling (WR)
10 - Deebo Samuel (WR)

Defense
42 - Darrell Luter Jr. (CB), Jalen Stroman (SS)
33 - Nick Martin (LB)
32 - Garret Wallow (LB), Jaden Dugger (LB)
29 - Jack Jones (CB)
27 - Jakob Robinson (CB), Ogbo Okoronkwo (DE), Tatum Bethune (LB)
26 - Bryson Eason (DT), James Thompson Jr. (DT)
25 - Ashtyn Davis (SS)
23 - Quinton Bell (DE), Sebastian Valdez (DT)
21 - Ephesians Prysock (CB)
20 - Alfred Collins (DT)
19 - Victor Dimukeje (DE), Xavier Thomas (DE)
18 - Larry Worth III (FS)
17 - Deommodore Lenoir (CB), Ji'Ayir Brown (FS), Marques Sigle (FS), Patrick McMorris (FS), Sam Okuayinonu (DE)
14 - Evan Anderson (DT)
13 - Romello Height (DE)
9 - Osa Odighizuwa (DT), Renardo Green (CB)
8 - Upton Stout (CB)

Special Teams
18 - Josiah Deguara
16 - Brayden Willis
15 - Corliss Waitman (P)
13 - Ephesians Prysock
12 - Ashtyn Davis, Jon Weeks (LS), Larry Worth III, Tatum Bethune
11 - Darrell Luter Jr., Eddy Pineiro (K), Patrick McMorris
9 - Jaden Dugger, Jalen Stroman, KhaDarel Hodge, Quinton Bell
8 - Sincere McCormick, Siran Neal
7 - Connor Colby, Hayden Rucci, Jack Jones, Nick Martin, Nick Zakelj
6 - Eli Apple, Enrique Cruz Jr., Garret Wallow, Luke Farrell
5 - Jordan Watkins, Sebastian Valdez, Victor Dimukeje
4 - Austen Pleasants, Brandon Parker, Carver Willis, Jakob Robinson, Khalil Herbert, Zamir White
3 - Doug Kramer, Drake Nugent, Isaac Alarcon, Jacob Cowing, Ogbo Okoronkwo
2 - Deebo Samuel, Sam Okuayinonu, Will Pauling
1 - Alfred Collins, Bryson Eason, Colton McKivitz, Evan Anderson, James Thompson Jr.