The San Francisco 49ers lost 29-27 to the Los Angeles Chargers at the StubHub Center on Sunday and dropped to 1-3 on the season.

Below is a mix of key player and team stats provided by the NFL, the 49ers, and Pro Football Focus.

Key Player Statistics

Quarterback C.J. Beathard finished the game having completed 23-of-37 pass attempts for a career-high 298 yards with two touchdowns and two interceptions.

Beathard was under pressure on 17 of his 42 drop backs (40.5%). Under pressure, his Pro Football Focus grade was 90.5 compared to 78.8 when he had a clean pocket.

Running back Matt Breida dropped to No. 3 among rushing leaders. His 313 yards for the season is behind Todd Gurley of the Los Angeles Rams (338) and Ezekiel Elliott of the Dallas Cowboys (426). Breida, who was tied for first last week, had just 39 rushing yards on nine carries against the Chargers.

Tight end George Kittle led the team in receiving with six catches for a career-high 125 yards with a touchdown. His 82-yard touchdown was the longest by a tight end in franchise history.

Kittle received the top Pro Football Focus grade (85.1) from the game on offense. His 90.0 grade on the season is the best among all NFL tight ends.

Defensive back Antone Exum's pick-six on the opening possession of the game was the first interception returned for a touchdown by the 49ers since a Week 16 matchup last year against the Jacksonville Jaguars.

Defensive tackle Sheldon Day was the lone 49ers defender to be credited with a sack.

Defensive lineman Arik Armstead had four pressures on his 20 pass rushes, which led the team. All were quarterback hurries, according to Pro Football Focus.

Kicker Robbie Gould connected on field goals from 21 and 33 yards out. He has made 33 consecutive field goal attempts, which extends his franchise record. Gould has also made at least one field goal in 24 consecutive games, dating back to December 11, 2016.

Key Team Statistics

The 49ers' 21-play, 72-yard drive in the second quarter took 10:44 off the clock. The amount of time the drive took was the most by a 49ers team since 2002.

Tackling is not just an issue for the 49ers defense. The special teams unit was also credited with five missed tackles, which tied with the Cleveland Browns for the most in Week 4.