![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/10/USATSI_21548508.jpg?w=1000&h=600&crop=1)
The quarter mark of the 2023 NFL season is officially in the rearview and the Chargers are about to embark on a 13-game stretch after having their bye.
Before moving full steam ahead, let’s take a look at the top performers on both sides of the ball using Pro Football Focus’ grades.
1
EDGE Khalil Mack
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/1674833025.jpg)
Grade through 4 games: 83.1
2
WR Keenan Allen
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/USATSI_21495023-1-1.jpg)
Grade through 4 games: 80.2
3
CB Asante Samuel Jr.
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/1699176308.jpg)
Grade through 4 games: 78.8
4
QB Justin Herbert
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/10/1712255490.jpg)
Grade through 4 games: 76.3
5
OT Rashawn Slater
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/1674069768.jpg)
Grade through 4 games: 75.0
6
WR Mike Williams
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/1699093511-1.jpg)
Grade through 4 games: 74.6
7
S Alohi Gilman
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/1698989105.jpg)
Grade through 4 games: 74.3
8
TE Gerald Everett
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/09/USATSI_21443075.jpg)
Grade through 4 games: 71.6
9
LB Nick Niemann
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2021/08/33303da0230d4281835dac21420b96b0.jpg)
Grade through 4 games: 65.3
10
OL Zion Johnson
![](https://chargerswire.usatoday.com/wp-content/uploads/sites/51/2023/10/1698995383.jpg)
Grade through 4 games: 64.4