owner David Tepper is being reprimanded by the league for his behavior during his team's lo s to the on Sunday.The NFL has fined Tepper $300,000 for his "unacceptable conduct" during the Panthers' lo s to the Jaguars in Jacksonville, the league J.J. Jansen Jersey announced Tuesday.The Panthers owner was seen in a video to sing liquid from his drink toward a fan from his suite, appearing to be in disgust. It wasnt clear whether Tepper was reacting to something said to him or another lo s for the s worst team, as the to s came after threw an interception in the final minutes of the 26-0 lo s."All NFL personnel are expected to conduct themselves at all times in ways that respect our fans and favorably reflect on their team and the NFL," the league said in a statement.ADVERTISEMENT Tepper also took responsibility for his actions on Tuesday."I am deeply pa sionate about this team and regret my behavior on Sunday," Tepper said in a statement. "I should have let NFL stadium security handle any i sues that arose. I respect the NFLs code of conduct and accept the Leagues discipline for my behavior."Panthers general manager Scott Fitterer was Corn Elder Jersey standing near Tepper when he to sed whatever remained of his drink while watching the game from a club suite.The Panthers are 2-14, clinching the league's worst record with Sunday's lo s. But they wont even have the No. 1 overall pick in the draft because it was traded to Chicago for the top pick used to select Young.In 2009, the NFL fined the late owner Bud Adams $250,000 for making an obscene gesture at Buffalo fans while celebrating Tenne sees victory over the Bills.Fans have been banned from stadiums for throwing drinks at players.Its been a rough year for Tepper, who fired first-year coach Frank Reich after just 11 games. Since Tepper bought the Panthers le s than six years ago, he has gone through coaches Ron Rivera, Matt Rhule and Reich, plus interim coaches Perry Fewell, Steve Wilks and Chris Tabor.The A sociated Pre s contributed to this report.