The Los Angeles Chargers beat the San Francisco 49ers 23-12 in the team's third and final preseason game. Today, Pro Football Focus released its grades from the game. Which Niners played well, and who has more work to do?

Below are Pro Football Focus' five highest-graded 49ers players on offense against the Chargers.


Below are the five highest-graded 49ers players on defense.


Below are the three lowest-graded 49ers players on offense.



Below are the three lowest-graded 49ers players on defense.


Quick Takeaways


Sam Darnold was the highest-graded quarterback for either team, earning a 68.9 overall grade. Still, it was his lowest mark of the preseason. Darnold finished the game 6-of-11 for 89 yards and a touchdown.

Brandon Allen was second among the 49ers quarterbacks, earning a 59.8 overall grade. He finished just 2-of-6 for 23 yards and an interception.

Surprisingly, starter Brock Purdy was the lowest graded of any quarterback in the game, finishing with a 50.6 overall grade, his lowest of the preseason. Purdy finished the game 5-of-9 for 73 yards, adding five rushing yards and a rushing touchdown.


Linebacker Demetrius Flannigan-Fowles earned the game's highest overall grade, albeit in only 12 snaps. Pro Football Focus credited him with a pressure and a sack, while official league stats credited him with 0.5 sacks (PFF doesn't credit shared sacks). The analytics site had Demetrius Flannigan-Fowles earning two tackles and three stops. The linebacker was targeted once, allowing minus-five yards.


Some good news along the 49ers offensive line: Jaylon Moore earned his highest preseason grade at the left tackle spot. His run-blocking grade of 85.4 and pass-blocking grade of 85.9 were both team highs.

The second-highest grade along the offensive line came from Moore's opposite side, with Matt Pryor at right tackle. The 49ers offensive line did not allow a sack in the game and allowed only two pressures.

Rookie cornerback D'Shawn Jamison earned his highest overall and run-defense grades of the preseason, allowing only one reception for eight yards on two targets. He was also credited with a pass breakup.

Snap Counts


Offense
34 - Jaylon Moore (LT)
30 - Tyrion Davis-Price (RB)
28 - Keith Ismael (C), Nick Zakelj (RG)
23 - Matt Pryor (RT), Sam Darnold (QB)
21 - Tay Martin (WR)
20 - Jason Poe (LG)
19 - Aaron Banks (LG), Brandon Aiyuk (WR), Brock Purdy (QB), Colton McKivitz (RT), Deebo Samuel (WR), Jake Brendel (C), Spencer Burford (RG)
18 - Leroy Watson (RT)
17 - Jordan Mason (RB), Willie Snead IV (WR)
16 - Isaiah Winstead (WR)
15 - Jauan Jennings (WR), Jon Feliciano (C), Ronnie Bell (WR), Troy Fumagalli (TE)
13 - Brayden Willis (TE), Cameron Latu (TE)
12 - Brandon Allen (QB), George Kittle (TE), Ilm Manning (LT)
10 - Jack Colletto (FB), Ross Dwelley (TE)
9 - Charlie Woerner (TE)
7 - Brian Hill (RB), Corey Luciano (C), Joey Fisher (LG), Kyle Juszczyk (FB)
5 - Chris Conley (WR)
2 - Alfredo Gutierrez (LT)

Defense
59 - D'Shawn Jamison (CB)
49 - Jalen Graham (LB)
43 - Marcelino McCrary-Ball (LB)
42 - Tayler Hawkins (FS)
40 - Isaiah Oliver (CB)
37 - Myles Hartsfield (SS), Samuel Womack III (CB)
31 - Austin Bryant (DE)
29 - Alex Barrett (DE)
28 - Ji'Ayir Brown (FS)
27 - Kalia Davis (DT)
26 - Drake Jackson (DE)
24 - T.Y. McGill (DT)
23 - Dee Winters (LB), Marlon Davidson (DT), Qwuantrezz Knight (FS), Tre Swilling (CB)
22 - Javon Kinlaw (DT)
21 - Kevin Givens (DT)
19 - Curtis Robinson (LB)
17 - Kerry Hyder Jr. (DE)
13 - Breeland Speaks (DE), Spencer Waege (DT)
12 - Demetrius Flannigan-Fowles (LB)
7 - Clelin Ferrell (DE), La'Darius Hamilton (DE)
5 - Charvarius Ward (CB), Deommodore Lenoir (CB)
4 - Kyahva Tezino (LB)
3 - Fred Warner (LB)
2 - Ambry Thomas (CB)
1 - Nate Brooks (CB)


Special Teams
13 - Marcelino McCrary-Ball
12 - Jalen Graham
11 - Cameron Latu
9 - Brayden Willis, Curtis Robinson, Dee Winters, Ji'Ayir Brown, Mitch Wishnowsky (P), Nate Brooks, Ross Dwelley, Tayler Hawkins
8 - Charlie Woerner, D'Shawn Jamison, Ronnie Bell, Tre Swilling, Willie Snead IV
7 - Isaiah Winstead, Kyahva Tezino, Samuel Womack III, Tay Martin, Tyrion Davis-Price
6 - Demetrius Flannigan-Fowles, Qwuantrezz Knight, Taybor Pepper (LS)
5 - A.J. Parker, Ambry Thomas, Brian Hill, Isaiah Oliver, Jack Colletto, Myles Hartsfield
3 - Kerry Hyder Jr.
2 - Anthony Miller, Austin Bryant, Chris Conley, Kalia Davis, Kevin Givens, Marlon Davidson, T.Y. McGill
1 - Aaron Banks, Alex Barrett, Breeland Speaks, Charvarius Ward, Clelin Ferrell, Colton McKivitz, Deommodore Lenoir, Drake Jackson, Javon Kinlaw, Jaylon Moore, Jon Feliciano, Kyle Juszczyk, La'Darius Hamilton, Nick Zakelj, Spencer Burford, Spencer Waege

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