The Buffalo Bills (3-1) lost to the Baltimore Ravens (2-2), 35-10, in their Week 4 contest at M&T Bank Stadium.

Statistics will always help determine who played well (or not). So will the eye test. But why not get a little bit deeper with some help from the analytics folks at Pro Football Focus?

With that, here are the five lowest-graded players from the Bills defense against the Ravens:

5. S Damar Hamlin

Sep 29, 2024; Baltimore, Maryland, USA; Baltimore Ravens quarterback Lamar Jackson (8) leaps over Buffalo Bills safety Damar Hamlin (3) for a touchdown during the second half at M&T Bank Stadium. Mandatory Credit: Tommy Gilligan-Imagn Images

PFF grade: 40.7.

4. LB Baylon Spector

BALTIMORE, MARYLAND – SEPTEMBER 29: Baylon Spector #54 of the Buffalo Bills celebrates tackling Lamar Jackson #8 of the Baltimore Ravens during the third quarter at M&T Bank Stadium on September 29, 2024 in Baltimore, Maryland. (Photo by Greg Fiume/Getty Images)

PFF grade: 37.3.

3. LB Nicholas Morrow

BALTIMORE, MARYLAND – SEPTEMBER 29: Baylon Spector #54 of the Buffalo Bills celebrates a sack with Nicholas Morrow #32 of the Buffalo Bills during the third quarter against the Baltimore Ravens at M&T Bank Stadium on September 29, 2024 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)

PFF grade: 36.8.

2. DE Von Miller

ORCHARD PARK, NEW YORK – JANUARY 15: Von Miller #40 of the Buffalo Bills warms up before the game against the Pittsburgh Steelers at Highmark Stadium on January 15, 2024 in Orchard Park, New York. (Photo by Timothy T Ludwig/Getty Images)

PFF grade: 30.3.

1. CB Cam Lewis

Jaguars Mitch Morse tangles with Bills Cam Lewis trying to keep him away from Jaguars ball carrier Travis Etienne Jr. who was about to be grabbed by Bills Ed Oliver during first half action at Highmark Stadium in Orchard Park on Sept. 23, 2024.

PFF grade: 27.8.