Let's take a look at the stats that have been key to the 49ers undefeated start.

Kyle Shanahan provided injury updates ahead of the 49ers Week 7 matchup against the Redskins.

After six weeks of football, find out where Pro Football Focus lists the 49ers defense. 

Trent Taylor, Jalen Hurd and Jimmie Ward are OUT and several 49ers are questionable heading into the Week 1 contest against the Buccaneers.

Jimmy Garoppolo and the 49ers starters bounced back in the Week 3 "dress rehearsal" against the Chiefs.

The 49ers held their final practice ahead of their preseason opener against Dallas on Saturday.

San Francisco's offense highlighted a physical session on Wednesday.

San Francisco's pass catchers "had a day" during Saturday's session.

Notes and takeaways from the 49ers first padded practice of camp.

Addressing the top uncertainties that the 49ers face heading into 2019 training camp.

The 49ers recent roster moves earned a perfect grade in free agency from Bleacher Report.

Who was the team's MVP? Who has the chance to improve the most in 2018? Our writers discuss.

The 49ers dominated the Rams in Week 17 to finish the season on a five-game winning streak.

Follow along here for news, notes and highlights in the 49ers Week 17 season finale against the Los Angeles Rams.

Pro Football Focus grades Jimmy Garoppolo and other 49ers top performers in the Week 16 victory over the Jacksonville.

The 49ers upset the Jacksonville Jaguars, 44-33, behind standout performances from Jimmy Garoppolo and several rookies.

Follow along for news, notes and highlights as the 49ers look to upset the Jaguars in Week 16.

Pro Football Focus grades Jimmy Garoppolo and other 49ers top performers in the Week 15 victory over the Tennessee Titans.

Take a look at numbers and milestones from the 49ers Week 14 win over the Houston Texans

Follow along here for news, notes and highlights from Houston as the 49ers look for their second-straight win.

The San Francisco 49ers won their second-straight game behind a standout performance from Jimmy Garoppolo.

Playing time takeaways including Kyle Juszczyk seeing a season-high 39 snaps against the Bears in Week 13.

Jimmy Garoppolo and Robbie Gould powered the 49ers to their second win of the season against the Chicago Bears in Week 13.

Playing time observations from the 49ers first win of the season, a 31-21 victory against the New York Giants.

The 49ers offense will get its starting left tackle back in the lineup in Week 10 against the Giants.

Watch K'Waun Williams sack Russell Wilson, Fred Warner force a fumble and DeForest Buckner scoop the ball up and score his first-career touchdown against the Seattle Seahawks from every angle with True View technology powered by Intel. Multiple high-resolution cameras render thrilling, slow-motion replays and highlight reels.

After K'Waun Williams strip-sacked Russell Wilson, Warner forced out the loose ball, Buckner recovered it and took it all the way for a 49ers touchdown.

Williams knocks the ball loose and Buckner recovered.

Laken Tomlinson and Keiana Martin broke down 49ers defensive performance against the Redskins in Week 7.

Watch the top highlights from the 49ers victory over the Cleveland Browns on Monday Night football in Week 5.

Williams was in the right place at the right time to pick off the bobbled pass.

The 49ers held a fashion show featuring guests representing all cancers who have either battled or are currently battling cancer as they modeled apparel donated by Levi's® alongside 49ers players.

Find out which five players have played the best after the first four games of the season according to Pro Football Focus.

K’Waun Williams, Robbie Gould and other 49ers joined a class of students on a 49ers EDU field trip to Levi’s® Stadium to get them excited about STEAM education with a structural engineering project and the program’s movement lab.

Watch K'Waun Williams intercept a Mason Rudolph pass from every angle with True View technology powered by Intel. Multiple high-resolution cameras render thrilling, slow-motion replays and highlight reels.

K'Waun Williams, Dee Ford, Nick Bosa and George Kittle broke down the Week 3 win over Pittsburgh to head into the bye week undefeated.

Watch the top highlights from the 49ers victory over the Pittsburgh Steelers in Week 3.

Williams intercepted a pass intended for JuJu Smith-Schuster to set up the 49ers touchdown drive in the third quarter.

Warner punched the ball out from Buccaneers tight end O.J. Howard and Blair III recovers the loose ball.

Richard Sherman, George Kittle, Marquise Goodwin and more shared secrets and competed in challenges during a round of “49ers Truth or Dare.”

Williams analyzed the 49ers improved defensive line and spoke about his expectations entering into his third season in San Francisco.