News broke Tuesday that Houston Texans star defensive end J.J. Watt may be lost for the season with a back injury, so what does that mean for one of the leagues most dominant defenses? We can quantify Watts bottom-line effect on a game by comparing the Texans expected points added (EPA) per play when he is on the field to their EPA/play when hes not.Since Watts rookie year in 2011, the Texans defense averaged minus-0.06 EPA/play with Watt on the field, and minus-0.04 EPA/play with Watt on the sideline. (Negative EPA is good for defenses.) That difference of 0.02 EPA/play equates to about 1.2 points per game based on Houstons average of 62.4 snaps per game. Those 1.2 points per game would be roughly equivalent to 4 percent win probability each game. So at first glance, Watts absence would be significant, but not necessarily fatal to the Texans playoff hopes.But Watt was not an every-down player in his first year and a half in the league, and his performance found a whole new gear starting in 2013. Since the start of the 2013 season, the difference in defensive performance with Watt on the field and off the field is a whopping 0.09 EPA/play. That equates to 5.6 points per game or roughly 20 percent win probability!There have been only 194 snaps without Watt since 13, so consider the 20 percent win probability number as an extreme upper bound of his impact. That kind of effect on win probability is what might be more typical when a team loses an elite quarterback to injury. But if any single defensive player can have as significant an impact on his teams prospects, it might be Watt, who is both a preeminent run defender and pass-rusher.Ganso Jersey . 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David Luiz Jersey .Y. -- The Buffalo Sabres have recalled forward Kevin Porter and defenceman Chad Ruhwedel from the minors as part of a five-player roster shuffle made by the NHLs worst team.SOUTH BEND, Ind. -- The tenaciousness of top-ranked Notre Dames defense, the speed of its offense and a crowd of 8,106 overwhelmed No. 17 Washington early in the Preseason WNIT final on Sunday and the Huskies never recovered.The Fighting Irish jumped to a 12-0 start and led 25-8 at the end of the first quarter en route to a 71-60 victory on Sunday as Arike Ogunbowale led Notre Dame with 17 points and Kathryn Westbeld added 14 points and eight rebounds. Ogunbowale and Marina Mabrey had four steals each as Notre Dame forced 17 turnovers, leading to 19 points.Transition is our game. We want to get out and run, Notre Dame coach Muffet McGraw said. I think thats one of the things were known for.Washington coach Mike Neighbors said the male players who the Huskies normally practice against werent available the past few days so it made it tougher to prepare for Notre Dames speed.Wow are they fast, he said.After trailing by as many as 20 points early in the second quarter and 19 late in the third quarter, the Huskies (3-1) closed to 63-53 on a basket by Chantel Osahor with 5:53 left. But Ogunbowale hit a basket inside and Turner hit a free throw and scored on a rebound as the Irish regained control.Turner added 10 points and 12 rebounds for the Irish (4-0).Kelsey Plum, who entered the game averaging 30 points, finished with 22 points on 7 of 19 shooting, including 2 of 6 from 3-point range. Plum credited Notre Dames defense.They sat on my left hand the entire game. They made me take a step back, fadeaway jump shots, and I didnt knock as many down as I should have, she said.The Huskies entered the game shooting 48.2 percent from 3-point range, but only shot 32 percent on Sunday.Washington, which hadnt trailed by more than seven points in its first three games, missed their ffirst five shots and had four turnovers while the Irish hit 5 of 8 shots.ddddddddddddI think once we got punched in the mouth we just settled down, and said, `Thats OK. Thats why theyre No. 1 in the country. Lets start playing basketball now. So I think that initial punch, it was cool to see our team battle throughout and play them even, Plum said. I think that will help us in the tournament and future big games. I think well be a little bit more prepared from the jump.BIG PICTUREWashington: The Huskies, playing on the road for the first time, struggled shooting early and couldnt hit consistently from 3-point range as they usually do. ... They fell 0-7 all-time against teams ranked No. 1.Notre Dame: After struggling both offensively and defensively in a four-point win against Green Bay, the Irish played much better at both and in extending their home winning streak to 34 games.POLL IMPLICATIONSWashington: The Huskies outscored the Irish 52-46 after a slow start so the loss shouldnt hurt them in the poll and could help them.Notre Dame: The win over a ranked team might be enough to keep hold of the top ranking, although the Irish could be hurt by the way they struggled to a four-point win over Green Bay on Thursday.HE SAID IT:Were not used to playing in front of 8,100 people. So that had a lot to do with it, Neighbors said.UP NEXTWashington: The Huskies host Idaho on Tuesday and Seattle on Saturday before playing at Portland on Sunday.Notre Dame: The Irish play Louisiana-Lafayette in Houston on Tuesday, a neutral-site home game for the Irish so Turner can play near her home in Pearland, before returning home to face TCU at home on Saturday. ' ' '