- Followed in his father's football career path, as Mike Harris played defensive back at the University of Florida for four years (1994-97).
- In high school, Harris participated in Nike Football's "The Opening" series, which according to Nike is "the only national camp that offers athletes state-of-the-art education in both Nike Football Training and position-specific football from respected position coaches, while improving each player who attends, and does all of this free of cost to attendees."
- Harris grew up with former Gator teammates CB Duke Dawson, who was drafted in 2nd round of the 2018 NFL Draft by the New England Patriots, and S Keanu Neal, who was drafted in the first round of the 2016 NFL Draft by the Atlanta Falcons. All three played on the 7-on-7 team, the Rat Pak, that was coached by 8-year NFL veteran Keiwan Ratliff.
49ers Sign Two Players to Extensions
San Francisco signed TE Ross Dwelley and S Marcell Harris to one-year extensions.
2020 Training Camp Preview: Safety
In the sixth installment of the 49ers position-by-position breakdown, 49ers.com is taking a look at the safety position and assessing the depth behind Jimmie Ward and Jaquiski Tartt.
What They Said: 49ers, Ravens Recap 'Heavyweight' Week 13 Battle
Top quotes from both locker rooms following the 49ers last-second loss to the Ravens.
10 Takeaways from 49ers Preseason Win Over Broncos
It was a slow start for Jimmy Garoppolo and the 49ers offense in the 24-15 win over the Broncos.
17 Observations from 49ers Joint Practice with Broncos: Aug 17
The top notes and observations from the 49ers and Broncos final joint practice ahead of Monday's preseason contest.
7 Lingering Questions Ahead of 49ers Training Camp
Addressing the top uncertainties that the 49ers face heading into 2019 training camp.
5 Player Updates from Robert Saleh during Week 2 of 49ers OTAs
Saleh provided health updates, player evaluations and position changes.
10 Highlights from 49ers OTAs: May 29
A rundown of all the top happenings at Wednesday's practice.
Who the 49ers Will Be Rooting for During March Madness
The 2019 Men's NCAA Basketball Tournament is back and members of the San Francisco 49ers are ready to root for their respective Alma Maters.
How the 49ers 2018 Rookie Class Performed at the NFL Combine
A look back at how Mike McGlinchey, Fred Warner and others fared at the 2018 NFL Combine.
Looking at the Impact of the 49ers 2018 Rookie Class
Reviewing the production of San Francisco's rookies during the 2018 season.
Richard Sherman is Seeing Tangible Growth in Young Talent on 49ers Roster
Sherman wanted everyone to know that the 49ers youngsters are coming along just fine.
|17||Seahawks||L 23 - 26|
|16||@Cardinals||W 20 - 12||6||5||1||0||0||0|
|15||@Cowboys||L 33 - 41||3||2||1||0||0||0|
|14||Football Team||L 15 - 23||1||1||0||0||0||0|
|13||Bills||L 24 - 34||1||0||1||0||0||0|
|12||@Rams||W 23 - 20||2||1||1||0||0||0|
|10||@Saints||L 13 - 27||2|
|9||Packers||L 17 - 34||5||4||1||0||0||0|
|8||@Seahawks||L 27 - 37||5||1||4||0||1||0|
|3||@Giants||W 36 - 9||4||3||1||0||1||2|
|7||@Patriots||W 33 - 6||5||5||0||0||0||0|
|2||@Jets||W 31 - 13||1||1||0||0||0||0|
|6||Rams||W 24 - 16||2||2||0||0||1||0|
|1||Cardinals||L 20 - 24|
|5||Dolphins||L 17 - 43|
|4||Eagles||L 20 - 25|
|2018||San Francisco 49ers||8||5||30||20||10||0||0||0|
|2019||San Francisco 49ers||13||4||39||22||17||0||5||3||1|
|2020||San Francisco 49ers||16||4||35||25||10||0||3||2||2|
Full Highlights: 49ers at Saints
Watch the top plays from the 49ers Week 10 matchup against the New Orleans Saints.
Marcell Harris Recovers the Muffed Punt
Harris jumped on the loose ball to set up the 49ers offense in Saints territory.
Week 14 - 49ers vs. Saints | NFL Game Pass
Relive the 2019 Week 14 matchup between the San Francisco 49ers and the New Orleans Saints with this full game replay brought to you by NFL Game Pass.
49ers Top Takeaways from the 2019 Season
Check out the defense's best interceptions and fumble recoveries from the 2019 season.
49ers Best Defensive Plays of 2019
Watch the best defensive plays from the San Francisco 49ers during the 2019 regular season.
Pregame Precheck: 49ers Players Share Favorite Memories from 2019
The 49ers locker room shared their favorite moments on the road from the 2019 season including beating the Saints in New Orleans, the Faithful showing out in Tampa Bay and more in this week's IdentoGo Pregame Precheck!
Full Highlights: 49ers vs. Falcons
Watch the top plays from the Week 15 matchup against the Atlanta Falcons.
Full Highlights: 49ers vs. Ravens
Watch the top plays from the Week 13 matchup against the Baltimore Ravens.
Marcell Harris Strips Lamar Jackson, Recovers the Fumble
Harris ripped the ball from the quarterback's arms and recovered the forced fumble. You can vote the 49ers defense into the Pro Bowl at 49rs.co/probowlvote20.
Jimmy Garoppolo, Joe Staley and Other 49ers Test Their Luck at Bean Boozled
Peach or barf. Strawberry-banana smoothie or dead fish. 49ers players took on a round of Bean Boozled and ate your typical, and not so typical, jelly bean flavors in the process.
Top Moments from the 49ers 31-3 Victory over the Browns
Watch the top highlights from the 49ers victory over the Cleveland Browns on Monday Night football in Week 5.
Marcell Harris Knocks the Ball Out of Odell Beckham Jr.'s Hands and Raheem Mostert Recovers It
Harris forced the fumble on the punt return and Mostert jumped on the loose ball.
49ers 2018 Rookie Class Shares Memories of Being Drafted
Members of the 2018 49ers rookie class discuss their stories when they were selected by San Francisco in the 2018 NFL Draft.