HOUSTON -- Cubs left-hander Jon Lester delivered the type of performance Friday night that rendered Chicagos bullpen secondary in the story of a 2-0 victory, but it was impossible to ignore the combined contributions of Hector Rondon and Aroldis Chapman.Rondon and Chapman blitzed the Astros (74-67) with a steady diet of blistering fastballs in the eighth and ninth innings, combining for three strikeouts while not allowing a baserunner in preserving the victory for Lester. The Cubs (90-50) have thrived on exceptional starting pitching all season, but the addition of Chapman to their reconfigured bullpen presents an additional level of hype for the postseason.Chicago continues its three-game series Saturday in Houston.Of the 14 pitches Rondon threw in the eighth inning Friday, nine were fastballs. His average velocity on those four-seam heaters was 97.2 miles per hour, a positive sign in his second appearance since returning from the 15-day disabled list Tuesday.Chapman entered in the ninth and needed only six pitches to tear through the heart of the Astros order. His average velocity on those six pitches was 101.4 miles per hour.They both had plenty of rest and came out throwing, Cubs manager Joe Maddon said. It was good to see.Hector, thats his second time back so I didnt know exactly what to expect right there honestly. I did not expect that pinpoint control with that velocity. It was over the top, plus an outstanding slider too.Right-hander John Lackey (9-7, 3.36 ERA) makes his 26th start for the Cubs on Saturday. In his previous outing, he allowed two runs on one hit over five innings in a 3-2 victory over San Francisco. It was his first start since Aug. 14 after being placed on the disabled list with a right shoulder strain. Lackey is 2-0 with a 1.65 ERA over his last five starts.In four career starts against the Astros, Lackey is 2-1 with a 4.37 ERA. He last faced Houston in 2014 and has a 3.00 ERA in two career starts at Minute Maid Park.Right-hander Collin McHugh (9-10, 4.96 ERA) makes his first career start and his second appearance against the Cubs on Saturday. The Astros have won each of his last four starts and are 17-11 in games McHugh has started this season.The Astros learned Friday that left-hander Dallas Keuchel will not pitch in the series. Keuchel, sidelined by left shoulder inflammation, will miss a third turn in the rotation this weekend and is scheduled to begin a throwing programon Monday at the earliest.Upon returning to Houston earlier this week, Keuchel discovered that there is no structural damage in his shoulder. He remains hopeful of returning to a rotation already missing right-hander Lance McCullers (right elbow discomfort).Theres really no timetable set for a return but I firmly believe were going to be still in the playoff hunt so hopefully I can help the guys out here in a week or so, Keuchel said.It was really difficult to sit out the first initial days. I dont like to miss any time whether Im feeling good or not. But I knew it was something I couldnt push through and it was more detrimental to the team than to let somebody else step in and fill my shoes. Stitched Orioles Jerseys . The deal is pending a physical, assistant general manager Bobby Evans said. Traded from Seattle to Baltimore on Aug. 30, Morse also can play first base and right field to give manager Bruce Bochy some flexibility in writing his lineup. 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The second day of the Overwatch Winter Premiere in Burbank, California is highlighted by bright but cloudy skies as Cloud9 took on the days match with incredible might, showing their dominance as a North American team. The first match of the night involved them taking on Complexity, who lost yesterday. Todays sets of games would not give them the reprieve they were seeking, as Cloud9 swept them in a 2-0 set in both Ilios and Kings Row. Lucas Mendokusaii H?kansson sealed victory for Cloud9 against Complexity as he consistently landed four to five Graviton Surges at key spots on the map that allowed efficient cleanups from the rest of the Cloud9 squad.Facing off against Cloud9 for the direct path to the round of eight would be Fnatic, who had to best Team Liquid in a roughly fought best of three. Having just arrived in Burbank a few days ago, Fnatic may have been suffering from jet lag as they struggled to live up to their fabled reputation as a powerhouse. They were able to eventually outsmart Team Liquid on the third map, Kings Row. Despite Keven AZK Larivieres heroic atttempts to carry Team Liquid into the finals with his stellar Roadhog and Soldier 76 play, Fnatic displayed a mix of power and fatigue as they would start every map with a strong push out the gates.dddddddddddd But the longer the map went on, the more likely they would just fall apart at the seams. Five minute timers to push the payload to the last point ended up with them being held in their tracks for that entire duration, and having 99 percent on the control point in a King of the Hill Map turned into a victory for the other team.Cloud9s Lane Surefour Roberts and heroes like Tracer and Roadhog, along with Kykys D.Va and Mendokusaiis Zarya, shot through Fnatics defense and turned them into swiss cheese with a decisive 3-1 victory and a spot in the round of eight. As Cloud9 join Kingdom eSports in the next round, Complexity and Fnatic will live to fight another day in the next, and last two days of the North American Overwatch Winter Premiere. ' ' '