Mic'd Up: Fred Warner and 49ers Defense Battle in AZ

Watch as linebacker Fred Warner was wired for sound as the 49ers defense took on the Washington Football Team at State Farm Stadium, presented by Cisco.

San Francisco's linebacker was wired for sound during the 49ers Week 12 win against the Minnesota Vikings, powered by Cisco.

San Francisco's linebacker was wired for sound during the 49ers Week 11 win against the Jacksonville Jaguars, powered by Cisco.

San Francisco's left tackle was wired for sound during the 49ers Week 10 win against the Los Angeles Rams, powered by Cisco.

San Francisco's defensive lineman was wired for sound during the 49ers Week 8 win against the Chicago Bears, powered by Cisco.

Listen in as Kyle Juszczyk and Ross Dwelley were wired for sound during the 49ers "Sunday Night Football" matchup against the Indianapolis Colts, powered by Cisco.

Look back on some of the best moments from the 49ers Mic'd Up series to start the 2021 season, featuring Fred Warner, Laken Tomlinson, Deebo Samuel and Jaquiski Tartt, powered by Cisco.

San Francisco's strong safety was wired for sound during the 49ers divisional matchup against the Arizona Cardinals, powered by Cisco.

The NFL's receiving leader through Week 4 was wired for sound during the 49ers divisional matchup against the Seattle Seahawks, powered by Cisco.

Listen in as linebacker Fred Warner was wired for sound during the 49ers "Sunday Night Football" matchup against the Green Bay Packers, powered by Cisco.

Listen in as offensive lineman Laken Tomlinson was wired for sound during the 49ers 17-11 victory over the Philadelphia Eagles, powered by Cisco.

Go on the field with Trent Sherfield as the wide receiver was wired for sound during the team's preseason finale against the Las Vegas Raiders, powered by Cisco.

Go on the field with Jimmie Ward as the defensive back was wired for sound during practice, powered by Cisco.

Go on the field with Dre Greenlaw as the linebacker was wired for sound during the team's preseason matchup against the Los Angeles Chargers, powered by Cisco.

Hang out on both sides of the ball as OL Laken Tomlinson and CB Jason Verrett were wired for sound during joint practices with the Chargers in Costa Mesa, Calif., powered by Cisco.

Listen in as D-line coach Kris Kocurek and defensive lineman D.J. Jones were wired for sound during 49ers training camp, powered by Cisco.

Listen in as head coach Kyle Shanahan was wired for sound during the team's Open Practice at Levi's® Stadium, powered by Cisco.

Listen in as defensive coordinator DeMeco Ryans and All-Pro linebacker Fred Warner were wired for sound during the first day of padded practices at 49ers training camp, powered by Cisco.

Go on the field with Raheem Mostert during 49ers training camp as the running back was Mic'd Up, powered by Cisco.

Relive a few of Fred Warner's best Mic'd Up moments from the field and the 49ers sideline, presented by Cisco.

Listen in as the 49ers inside linebackers coach kept the energy up on the sidelines during the team's mandatory minicamp.

Listen in as Kyle Juszczyk was wired for sound during the 49ers Week 17 matchup against the Seattle Seahawks, presented by Cisco.

Listen in as Robbie Gould was wired for sound during the 49ers 23-20 victory over the Los Angeles Rams at SoFi Stadium, presented by Cisco.

Listen in as Jerick McKinnon was wired for sound during the 49ers Week 10 matchup against the New Orleans Saints, presented by Cisco.

Relive the best moments from George Kittle, Fred Warner, Trent Williams and other 49ers players Mic'd Up during the first half of the 2020 season, presented by Cisco.