CHICAGO -- Travis Wood got into trouble in the first inning when he walked the bases loaded before retiring Khris Davis on a grounder that kept the game scoreless. After a simple tweak, Wood cruised the rest of the way. The left-hander retired 19 of his final 21 batters and pitched two-hit ball for seven innings as the Chicago Cubs beat the Milwaukee Brewers 4-2 on Sunday. "It was a struggle there in the first," Wood said. "We werent missing bad, but we were missing, so (there was) kind of a minor adjustment I had to make. I was kind of flying open a little bit there in the first after the first or second hitter, so we made it and were able to roll after that." Welington Castillo and Mike Olt homered for the Cubs, who took two of three from the NL Central leaders to win a series for the second time this season. Wood (4-4) allowed two runs and struck out seven. All three of his walks came in the first inning. "When he locates down into the corners, hes really, really effective," Chicago manager Rick Renteria said. The Cubs won their first series since taking two of three against the St. Louis Cardinals from May 2-4. "We had some timely hitting. Our pitching has been really good, and weve been able to close out the ballgames we lead," Renteria said. Hector Rondon earned his fifth save in five chances after allowing a leadoff double to Ryan Braun in the ninth for Milwaukees third hit. The Brewers, who began the day with the NLs best record, have scored 11 runs in five games. "He keeps the fastball away well. He throws the cutter inside to right-handers well and mixes in a curveball," Brewers manager Ron Roenicke said about Wood. "He commanded the ball well, and were a little bit off offensively. Three hits, just not many guys on base to do things with." Marco Estrada (3-2) gave up four runs and seven hits -- five doubles and two homers -- in five innings. In nine games this season, Estrada has served up 12 home runs, second-most in the majors. "I was terrible, plain and simple. Terrible," Estrada said. "Ive got to figure things out. My off-speed pitches havent been there and thats whats letting me down, that and elevating the fastball when Im not trying to." Castillos two-run shot gave the Cubs a 2-0 lead in the second. Luis Valbuena scored on Castillos fifth homer after drawing a walk. The Cubs extended their lead to 3-0 in the third after Starlin Castro and Valbuena hit back-to-back doubles with two outs. Olt hit his team-leading ninth homer in the fourth to make it 4-0. He leads NL rookies in home runs. "Ive just gotten some good pitches to hit," Olt said. "As long as Im doing that, then Im happy. The home runs, I guess, have come in bunches. Hopefully I can keep it going." The Brewers got their first hit on Logan Schafers one-out double against Wood in the fifth. Two batters later, Rickie Weeks hit a two-run homer to cut the lead to 4-2. The Brewers had been scoreless for 20 straight innings, since the second inning on Friday. "The first inning or two, when you have a pitcher in trouble, you need to get to them early," Roenicke said. NOTES: Renteria said RHP Pedro Strop (groin) is expected to start rehabbing at extended spring training in Arizona soon. ... Cubs OF Nate Schierholtz was out of the lineup. He was hitting .197. "His at-bats have been better, but we havent had the results that we wanted," Renteria said. Ryan Kalish started in right field. ... Brewers RHP Wily Peralta (4-2, 2.05 ERA) will start against Atlanta on Monday. The Cubs have Monday off before beginning a two-game series at home against the New York Yankees. Kris Bryant Jersey . - Chris Davis hit a two-run double, scoring Nelson Cruz in his Orioles debut in Baltimores 9-7 win over to the Toronto Blue Jays on Saturday. Ernie Banks Jersey .In a statement released Friday, the Catalan club said the Brazil stars recovery would be monitored to determine when he can begin training again. http://www.thecubsteamshop.com/Cubs-Anthony-Rizzo-Kids-Jersey/ . It was a move of some time in the making. “He hasnt thrown well, clearly some guys are being used more than him right now and the only way to get out of this funk is to pitch,” said general manager Alex Anthopoulos. Fergie Jenkins Jersey . The Oilers will try to get back in the win column on Monday when they continue a four-game road trip with a battle against the Buffalo Sabres. Edmonton won its third straight game last Wednesday against visiting San Jose, beating the Sharks 3-0 as Scrivens stopped 59 shots to set an NHL record for saves in a regular-season shutout. Kosuke Fukudome Jersey .Johnny there, who knew he had that speed? teammate Tommy Wingels said.Scott and Matt Irwin were unlikely goal-scorers Tuesday night as the previously stingy San Jose Sharks finally sprung a leak or two, blowing a pair of three-goal leads before coming away with a 6-5 shootout victory over the Washington Capitals.It is not uncommon, when debating the merits of players or teams, that a hockey blogger might hear the cliched refrain that they need to "Watch the games!" Well, there is a one-man task force who, with spreadsheets open, has undertaken a project in which he is aiming to watch every single game of the 2013-2014 NHL season. Every. Single. Game. Thats 1,230 in total to cover the regular season. The man is Corey Sznajder, a soft-spoken 23-year-old Salisbury University grad who lives in Annapolis, Maryland and has been charting zone entries and zone exits throughout the NHL. "I love big projects," he said. No kidding. At the 2013 Sloan Sports Analytics Conference, I met Eric Tulsky, who presented research on the value of controlled zone entries (short answer: about twice as valuable to enter with control of the puck rather than dumping it in) and Sznajder had charted a couple hundred games that were included in that study. Sznajder said that he had seen Tulsky writing about zone entries on the Broadstreet Hockey blog and, during the NHL lockout in 2012-2013, Sznajder started charting games. Watching the games when no new ones were even being played. Born in Virginia and living in Maryland, Sznajder grew up around the Washington Capitals, but his hockey interests gravitated further south and his analysis has been focused on the Carolina Hurricanes, writing at Shutdown Line, a Hurricanes blog, where he goes in-depth in his analysis. This project is a deeper dive, however. What is Sznajder charting? Whether a team enters the zone under control of the puck or if it is dumped in and that is done for approximately 150 even-strength zone entries per game. As Sznajder says, "There is also an X category, for broken plays, like a puck deflecting off a player in the neutral zone that suddenly turns into a scoring chance." Thats a very small percentage, but Sznajder admits they drive him crazy. These micro events are valuable to interpreting strengths and weaknesses of players. Who is gaining the zone under control? Who is driving puck possession? This is how to find out, with measured results. Theres another aspect to the work that Sznajder is doing that may be even more intriguing to me and that is something that he adopted part-way through the project, tracking which defencemen were targeted, and how they fared, for attempted zone entries. The expectation from people involved in advanced stats, is that Sznajders work would help uncover some mysteries of the game, that it might help indicate why a player has excellent possession numbers and he has shared some partial-season data to whet the appetite and let online analysts dig into it a bit because, as Sznajder admits, he hasnt had the time to do deep analysis while tracking all these games. While he may not have been able to dig deep, Sznajder has seen a ton of hockey -- more than 800 games so far. When pressed a little, he shares a few insights that hes picked up. One of the surprises he has found is that there is a team that is a great possession team, the San Jose Sharks, that isnt particularly strong in the neutral zone. Thats somewhat unexpected. With the understanding that carrying the puck in carries more puck possession value than dumping the puck in, it also seems a little incongruous to have a team like the Los Angeles Kings -- no strangers to dumping and chasing the puck -- as the leagues best puck possession team, to say nothing of Stanley Cup champs. As Sznajder noted, though, "The Kings make it nearly impossible (for the opposition) to enter the zone under control." This is precisely why Im interested to see the individual defence data. The player that closes the defensive gap in the neutral zone better than others can drive possession numbers, yet might not get a whole lot of acclaim for that skill. Conversely, there may be players getting recognition (and big contracts) yet have trouble defending at their blueline. "Its really hard to carry the puck in on a regular basis," Sznajder said. "Virtually every team traps in the neutral zone. Maybe five or six teams have a carry-in rate over 50%, but good teams dump where they can retrieve it and the retrieving player has options." When asked about any specific players that might have exceeded his expectations from when he began the project, Sznajder didnt hesitate. "Tyler Seguin is incredible when it comes to making plays at the blueline, especially when it comes to making passes. I was tracking a Blues-Stars game and noticed that Blues tried to stand him up at the blueline annd he managed to dodge the pressure, and get it to (Jamie) Benn a couple of times to create scoring chances.dddddddddddd" I shared a story with Corey from the night before meeting Tulsky at the 2013 Sloan Conference about how I watched the Bruins game (vs. Ottawa) that night with a real focus on who was entering the zone with control -- knowing this data can change how one watches a game -- and said that I came away even more impressed with Patrice Bergeron than I was already. He drove everything that the Bruins were doing in that particular game. Sznajder picked right up and noted that Bergeron is a zone-entry ace that, when tracking zone entries in the 2013 playoffs, "Bergeron was incredible, especially in the Cup Final." Said Sznajder, "The Bruins dont get much credit for their skill -- its always about their toughness -- but Bergeron and Brad Marchand are two of the better players at generating zone entries under control. They have such a reputation as a defensive line, but the puck is never in their zone." This is a daunting task that Sznajder has undertaken though. When asked about whether he would get help to do it in the future, he responded, "I want to, but want to keep it consistent." Speaking of the future, now that hes found his groove, Sznajder does expect to keep doing this data project moving forward, with some new wrinkles, including full-season entry defence, dump-in and retrieval stats, scoring chances and how those chances are created. Hes also looking at power play tendencies, how shot attempts are created and setup locations, but acknowledges that tracking puck movement on such a large scale can be difficult. That might be one for digital tracking technology to handle in the not-too-distant future. This stuff is gold. Measurable data on team tendencies can be used to further inform (ie. in addition to) team tactics that are already being covered by video and advance scouting. Knowing which players are driving the bus, and which ones are passengers, will help for roster construction. In the summer of hockey analytics, with more and more hires joining NHL front offices, Sznajder will worry about any potential opportunities that may come later. "A couple teams have been in contact to find out more about what Im doing," he said. "But Im trying not to think about that so much. I have a commitment to get this project done." As someone who watches a ton of games, Sznajder has naturally heard a lot of announcing teams. His favourites? "Im a big homer on that. Fox Sports Carolinas John Forslund. I like both TSN crews. Im not sucking up to TSN either. Cuthbert, Miller, Ferraro especially, Mike Johnson are all good." When taking on this mountain of games, Sznajder has also had some fun tracking other parts of the game, including Pierre McGuire name-drops and arena music. Its one way to break up the tediousness of the chore. It may be lots of fun to watch hockey but, still, its a lot of games. When everything is running smoothly, Sznajder can get through a game in about 90 minutes and a standard day means completing six games. Thats nine hours of game-charting, so Sznajder has been treating this project like a full-time job. "The donation site certainly helped so that I could do it on a full-time basis. For a while I was doing it secretly, doing Hurricanes and Canucks games. Then something came up in late January and, once I got that squared away, I started tracking the whole league." When word got out about Sznajder taking on this challenge, the online hockey community started suggesting he use some crowd funding. "Im pretty humbled by the response to the fund raising page," Sznajder said. Its an indication how hungry people are for the data hes tracking. "Im hoping to have them ready by the time the season starts," Sznajder said. "I wanted to be done by now, but tracking over 1000 games in six months is a grueling task. Its more work than I thought." However, asked if he has any regrets about what hes doing, Sznajder isnt going to complain. "Not really. I enjoy watching hockey a lot and learning about the game and Im learning more things every day. Its been a pretty fun ride so far." If youd like to help fund Coreys efforts, and have access to full data when the project is completed, click here. He can followed on Twitter here. Scott Cullen can be reached at Scott.Cullen@bellmedia.ca and followed on Twitter at http://twitter.com/tsnscottcullen. 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