The 49ers tight end, who torched the Cowboys for three touchdowns in San Francisco’s 42-10 win, wore a “F–k Dallas” shirt under his jersey for the “Sunday Night Football” matchup.

San Francisco 49ers tight end George Kittle has been fined $13,659 after he displayed a T-shirt that said "(expletive) Dallas" during the team's 42-10 win over the Cowboys on Sunday night.

"F— Dallas," the shirt read ... the 49ers' defense allowed just 197 total yards and intercepted Dak Prescott three times. Kittle had three catches against the Cowboys, all for touchdowns ...

The NFL has fined San Francisco 49ers tight end George Kittle ... jersey during the Niners' 42-10 win over the Cowboys. The gray shirt said "F--- Dallas" in blue lettering, and Kittle revealed ...

San Francisco 49ers tight end George ... a profane T-shirt about the Dallas Cowboys. Kittle wore a T-shirt under his uniform last Sunday night that said "F Dallas" with the rest of the first ...

San Francisco 49ers star tight end George Kittle has been fined for wearing a “F–k Dallas” T-shirt during the team’s win over the Dallas Cowboys during Week 5, according to ESPN’s Jeremy ...

George Kittle showed up ready to make an impact for the 49ers against the Cowboys ... undershirt bearing an NSFW message for the Cowboys: “F— Dallas” Kittle recorded three catches ...

San Francisco 49ers tight end George Kittle (85 ... night — he dropped the trifecta of TDs on the Cowboys while wearing a grey shirt underneath his jersey which read, “F--- DALLAS.” ...

And if the 49ers do see the Cowboys again this season, there may be another George Kittle “F*** Dallas” T-shirt controversy. “One hundred percent,” Kittle said. “I’d do it again.” ...

Two-time All-Pro linebacker Micah Parsons did not hold back when he addressed the undershirt San Francisco 49ers tight ... jersey and revealed a shirt disparaging the Cowboys.

The star 49ers tight end, for a second consecutive season, had a monster game against the Dallas Cowboys in San ... did not display his infamous "F--k Dallas" shirt after scoring his touchdown ...