George Kittle Details T-shirt War with Jimmy Garoppolo

San Francisco 49ers tight end George Kittle detailed the origins of National Tight End Day.

Here's NFL Network's preview of everything you need to know before the 49ers take on the Colts on "Sunday Night Football."

Here's NFL Network's preview of everything you need to know before the 49ers take on the Cardinals in Week 5 of the 2021 NFL season.

Matt Cassel broke down Trent Williams' block that led Trey Lance into the end zone, awarding the left tackle the weekly honor and a $2,500 donation to a high school or youth program of his choice.

Here's NFL Network's preview of everything you need to know before the 49ers take on the Seahawks in Week 4 of the 2021 NFL season.

NFL analyst Brian Baldinger went play-by-play through the 49ers scoring drives on "Sunday Night Football" and evaluated the offense's performance throughout the matchup.

Hall of Fame quarterback Joe Montana joined "Good Morning Football" to reflect on his football career, the state of the 49ers today and weighed in on the longevity of Tom Brady's NFL career.

Fred Warner joined "NFL Total Access" to talk about the 49ers season so far, their upcoming matchup with the Green Bay Packers, Jimmy Garoppolo's start to the season and more.

Here's NFL Network's preview of everything you need to know before the 49ers take on the Packers in Week 3 of the 2021 NFL season.

NFL analyst Brian Baldinger reviewed some of the pivotal plays that propelled the 49ers to their Week 2 win over the Philadelphia Eagles.

Wide receiver Deebo Samuel joined NFL Network to recap the team's Week 1 victory, evaluate the 49ers quarterback rotation and discuss the camaraderie in the wide receiving corps.

In honor of "NFL Slimetime," Jimmy Garoppolo, Laken Tomlinson, Fred Warner, Robbie Gould and Brandon Aiyuk shared their favorite Nickelodeon shows.

Here's NFL Network's preview of everything you need to know before the 49ers take on the Eagles in Week 2 of the 2021 NFL season.

NFL analyst Brian Baldinger broke down some of the 49ers top offensive plays from the team's Week 1 win over the Detroit Lions.

Here's everything you need to know before the 49ers take on the Lions in Week 1 of the 2021 NFL season.

The "Good Morning Football" crew highlighted the best players at their position heading into the 2021 season with Peter Schrager making the case for Trent Williams at left tackle.

The "Good Morning Football" crew made their predictions for the 2021 Defensive Player of the Year, with Peter Schrager picking 49ers defensive lineman Nick Bosa.

On the "Move the Sticks" podcast, NFL Network's Daniel Jeremiah and Bucky Brooks discussed why it's more difficult to defend offenses that motion often and how San Francisco implements it more than any other team in the league.

The "Good Morning Football" crew evaluated what they saw from the 49ers offense against the Raiders and shared how they think Kyle Shanahan will use Jimmy Garoppolo and Trey Lance in the regular season.

NFL Network's Brian Baldinger broke down Trey Lance's performance against the Chargers in Week 2 of the preseason.

San Francisco 49ers linebacker Fred Warner was voted as the No. 21 player in the NFL on the "Top 100 Players of 2021" rankings.

NFL Network's Brian Baldinger broke down Trey Lance's performance against the Kansas City Chiefs.

49ers left tackle Trent Williams was voted into the Top 50 by his peers as the No. 42 player in the NFL on the "Top 100 Players of 2021" rankings.

Tight end George Kittle was voted by his peers as the No. 50 player in the NFL on the "Top 100 Players of 2021" rankings.

49ers fullback Kyle Juszczyk was voted as the No. 97 player in the NFL on the "Top 100 Players of 2021" rankings.