PITTSBURGH -- There are penalties Mike Tomlin wont excuse but is willing to tolerate, like the facemask flag running back LeVeon Bell drew in Baltimore when an attempted stiff-arm went awry.Its the other kinds of penalties -- the ones borne out of a lack of concentration or execution -- that serve as nails on a chalkboard to the Pittsburgh Steelers coach.And at the moment, the sound is deafening.The Steelers (4-4) have racked up 29 penalties during the three-game losing streak they take into next weekends visit from Dallas (7-1) and nearly half of them have been pre-snap infractions like false starts and illegal formations that are easily avoidable by simply paying attention to detail.Those things are under our control and we need to eliminate yesterday, Tomlin said Tuesday. You can frame it how you want to frame it. The penalties have to stop.They didnt in Baltimore on Sunday, when a torrent of flags set the tone in an ugly 21-14 setback that knocked Pittsburgh out of first place and left the locker room and the coaching staff mystified at how things have gone so wrong, so quickly. A month ago, the Steelers were 4-1 and firmly in control of the AFC North. Now theyre in second place behind the Ravens and in the middle of their longest slump since dropping the first four games in 2013.I think theres anger about how we played because were capable of more than that, Tomlin said.Maybe, but it wouldnt take much to show improvement over the first three quarters against the Ravens when the Steelers managed all of two first downs while drawing 89 yards in penalties. Among the miscues: an illegal formation penalty that gifted Baltimore kicker Justin Tucker an extra five yards at the end of the first half and gave him enough room to drill a 59-yard field goal that put the Ravens up 10-0.Its tough to win in this league, Tomlin said. Its increasingly more difficult when you shoot yourself in the foot. Weve been good at that in the past. We need to get back to that.Pittsburgh has been among the 10 fewest penalized teams in the NFL in three of the last four years but is on pace to draw 110 penalties in 2016, which would be the highest in Tomlins decade-long tenure. Asked if referees are calling things tighter than they have in the past, with penalties up around the league, and linebacker Arthur Moats shrugged his shoulders.A flag is a flag, he said. Maybe theyre calling stuff that they havent in the past, but that doesnt mean its not a penalty.Pittsburgh cant afford to give away yards against the Cowboys, who have ripped off seven straight wins behind rookie quarterback Dak Prescott and running back Ezekiel Elliott. Dallas isnt turning it over and isnt beating itself with careless missteps, things the Steelers have been unable to avoid.Then again, its the presence of those correctable mistakes that has the Steelers optimistic they can go on a run like they did last season, when a 6-2 second half helped them to a second straight playoff berth.If its something youre playing your best ball and youre still getting beat, thats a major issue, guard Ramon Foster said. A lot of the issues we have in all three phases have been self-inflicted.Game notes C Maurkice Pouncey underwent a surgical procedure to fix a dislocated thumb. Tomlin said theres a chance Pouncey can still play this weekend. ... 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That left plenty of energy for pitching books and swatting away free agency questions. Anthony had 24 points and nine rebounds, and the Knicks avenged an embarrassing home loss with a rout of their own, beating the Boston Celtics 114-88 on Wednesday night for their third straight victory.United States coach Jurgen Klinsmann believes his teams 4-0 defeat by Costa Rica was the most dispiriting loss of his reign. Arsenals Joel Campbell scored twice in three minutes after Johan Venegas and Christian Bolanos had put the 2014 World Cup quarter-finalists 2-0 ahead.The defeat was the second in succession for USA, who lost 2-1 at home to Mexico last Friday and leaves Kilinsmanns side bottom of the CONCACAF qualifying section. Its definitely the defeat that hurts the most in my five years, for sure, Klinsmann said, following Tuesdays defeat at San Joses Estadio Nacional. USA coach Jurgen Klinsmann Although there are still plenty of points to play for with eight games remaining, Klinsmann admitted he had not anticipated failing to take a point from the opening two games.Its a bitter moment for us. Theres no doubt about it, Klinsmann said. We didnt imagine wed start the Hexagonal with two defeats right at the beginning. Six months half price Upgrade to Sky Sports to watch Man Utd v Arsenal on Saturday and get the first six moonths half price We knew it was going to be difficult playing Mexico and Costa Rica in the first two games.dddddddddddd But obviously you want to have some points.This is definitely a moment to reflect on what happened in the last 10 days. I said to the players it wont be the only 4-0 defeat in their career. Joel Campbell scored twice in three minutes against USA But hopefully theyll take some lessons from this. Definitely its bitter because we wanted to do far better than we did.The United States has played in every World Cup since the 1990 finals in Italy. The top three finishers in the CONCACAF round robin tournament qualify automatically for Russia, while the fourth placed side enters a play-off.Tuesdays drubbing is certain to renew speculation about Klinsmanns position. The German World Cup winner has faced repeated criticism of his tactics and personnel over the past year.Upgrade to Sky Sports now to watch Man Utd v Arsenal this Saturday and get the first six months half price! Also See: World Cup section Features Latest video Qualifying tables ' ' '