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

The 49ers travel to Washington to take on the Redskins in Week 7. Here's everything you need to know about the upcoming matchup. 

The 49ers travel to Los Angeles to take on the Rams in Week 6. Here's everything you need to know about the upcoming matchup. 

The 49ers return from the bye week with a clash against the Cleveland Browns on "Monday Night Football." Here's everything you need to know.

The 49ers return to Levi's® Stadium for the home opener against the Pittsburgh Steelers in Week 3. Here's everything you need to know about the upcoming matchup. 

Jeff Deeney provided grades for the 49ers top performers in Week 2 and three were named to Pro Football Focus 'Team of the Week'.

Top quotes from both locker rooms following the 49ers 41-17 victory in Week 2. 

The 49ers travel to Cincinnati to take on the Bengals in Week 2. Here's everything you need to know about the upcoming matchup. 

Take a look at five standouts from the 49ers "dress rehearsal" against the Chiefs. 

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

The top notes and observations from the 49ers and Broncos final joint practice ahead of Monday's preseason contest.

San Francisco's defense dominated the first of two joint practices against the Denver Broncos.

The defense had a standout session with five takeaways during the 49ers final practice at the SAP Performance Facility.

Top notes and observations from the 49ers 13th training camp practice.

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

Jimmy Garoppolo and Jerick McKinnon headline this list full of notable names.

The 49ers offensive line put up their second-straight standout performance in primetime.

The 49ers pair of second-year skill players have shined so far in 2018.

The 49ers running back is bringing a larger frame and even bigger confidence in Year 2.

Shanahan provided notes on the 49ers offensive line, Marquise Goodwin and Jerick McKinnon from the annual NFL meetings.

See how members of the 49ers, media and NFL reacted on social media to San Francisco's initial wave of free agent signings.

A look at the 49ers vision for McKinnon and Richburg in 2018 and beyond.

You asked, Breida answered. Get to know the 49ers running back in this fan Q&A.

San Francisco had one of the NFL's most productive rookie classes in 2017 with plenty to build on in 2018.

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

Let's rewind and review the best Mic'd Up soundbites from the team's undefeated first half of the season.

Watch the top highlights from the 49ers victory over the Arizona Cardinals in Week 9.

The San Francisco 49ers are taking things back to 1994 with their throwback inspired alternate uniforms.

Matt Breida joined "NFL Total Access" to talk about his journey to the NFL, the 49ers 5-0 start and having some bragging rights in the running backs room.

Listen in as running back Matt Breida is wired for sound during the 49ers 20-7 victory over the Los Angeles Rams.

Nick Bosa and Keiana Martin broke down Matt Breida's two touchdown performance on "Monday Night Football."

Watch Matt Breida take the 49ers first offensive snap of the night for a score from every angle with True View technology powered by Intel. Multiple high-resolution cameras render thrilling, slow-motion replays and highlight reels.

Watch Matt Breida's diving touchdown reception from Jimmy Garoppolo from every angle with True View technology powered by Intel. Multiple high-resolution cameras render thrilling, slow-motion replays and highlight reels.

Matt Breida, Dee Ford, Nick Bosa, Mike McGlinchey and others broke down the Week 5 win over the Cleveland Browns.

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

Garoppolo tosses a five-yard touchdown pass to Brieda to cap off a 9-play, 74-yard drive.

Breida hits the hole and runs by the Browns defense for an 83-yard touchdown to start the game.

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.

Listen in as players celebrated their 41-17 victory over the Cincinnati Bengals in Week 2.

An in-depth look at the San Francisco 49ers 41-17 victory in Week 2 over the Cincinnati Bengals.

Check out this week's 1-on-1 where Breida broke down his "Barry Sanders" move in Cincinnati and highlighted the chemistry of the 49ers running backs.

Watch the top plays from Matt Breida, Raheem Mostert and Jeff Wilson Jr.'s 238-yard, three touchdown performance against the Cincinnati Bengals.

Watch the top highlights from the 49ers victory over the Cincinnati Bengals in Week 2.

Breida analyzed his 132 all-purpose yard performance in Cincinnati and discussed the run-by-committee efforts of the 49ers running backs.

Breida shows off his elusiveness and carries it 34 yards into the red zone to set up the 49ers third touchdown of the day.

Watch the top highlights from the 49ers victory over the Kansas City Chiefs in preseason week 3.

Breida laid out for a spectacular diving touchdown grab from Garoppolo to tie the score at 7.

Breida slipped by the defense and Mullens connected with him for the touchdown during Thursday's practice.

Breida broke down the mindset of the 49ers running backs and a clean bill of health heading into the season.