WASHINGTON -- Nolan Arenado went 4 for 4, including his 35th home run and a triple, and drove in three runs as the Colorado Rockies beat the Washington Nationals 5-3 on Sunday.Arenado and David Dahl hit back-to-back home runs in the third inning off Nationals rookie Lucas Giolito.Chad Bettis (11-7) allowed two runs, both on solo homers, and five hits with six strikeouts over seven innings in his longest start since April 10.Bryce Harper, Trea Turner and Wilson Ramos went deep for Washington.Giolito (0-1) allowed four runs and six hits in five innings for the NL East leaders. Washington has dropped six of eight.Adam Ottavino recorded the final three outs for his second save after Harper homered off Boone Logan leading off the ninth. Colorado took two of three from Washington.Arenado now has 32 RBI in August.The Nationals officially recalled Giolito from Triple-A Syracuse before the start of Sundays game and sent infielder Wilmer Difo to Double-A Harrisburg. Washingtons top prospect allowed three of the first four batters to reach as Arenados RBI single put Colorado up 1-0.Turner immediately tied it in the bottom of the first with a leadoff homer.In third, Arenados liner cleared the fence in left for a two-run blast and Dahl followed with a drive for a 4-1 lead. All three runs in the third came with two outs.Arenados fifth-inning triple was initially scored a three-base error on Harper misjudged a fly ball hit to sunny right field.Harper went 1 foir 4 a day after he was ejected in the 10th inning of Washingtons 9-4 loss for arguing a called third strike.Washington reliever Koda Glovers wild pitch landed flush on the left shoulder of home plate umpire Mike Muchlinksi in the eighth. As Nationals catcher Ramos simultaneously searched for the ball and checked on the crumpled umpire, Daniel Descalso scored from second base for a 5-2 lead.Muchlinksi remained in the game.Colorado won the season series 4-2.TRAINERS ROOMRockies: RHP Tyler Chatwood (10-8, 3.75), on the disabled list with a mid-back strain since Aug. 16, will have a rehab start Monday for Double-A Hartford at Richmond. Chatwood is expected to go five innings or about 75 pitches.Nationals: RHP Joe Ross (right shoulder inflammation) allowed one run on three hits in one inning Sunday in his first rehab appearance with Triple-A Syracuse.UP NEXTRockies: Colorado returns home to begin a three-game series against the Dodgers. RHP Jon Gray (8-6, 4.61 gets the nod for the Rockies.Nationals: RHP Tanner Roark (13-7, 2.99 ERA) faces Phillies rookie Jake Thompson (1-3, 9.78) in the first of 22 straight games for Washington against NL East opponents. Balenciaga Shoes Cheap Sale . 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It was a victory that ended a decade of frustration for Parker and a talented French generation, which lost the final against Spain two years ago and took bronze in 2005. Balenciaga Shoes Sale Online . -- Yogi Ferrell orchestrates pretty much everything in Indianas offence. Mercedes chief Paddy Lowe thinks Formula One needs to start thinking about how the next set of engine regulations will look when the current cycle ends in 2020.F1s current V6 turbo era started in 2014, but has been criticised due to Mercedes huge dominance and a lack of noise from the engines. The current power units are set to remain until 2020 and Lowe thinks a long-term plan would avoid similar mistakes being made with the next set of rules.When asked about engines after 2020, Lowe said: Thats a good question and its a big question. I think it is about time we started to talk about the engine beyond this one.?And it does raise some very big considerations: how do we define an engine or power unit that is correct for the sport but also relevant to the kind of power units that we will see in the future in road cars? Do we make remain in some way related attached to that technology which is increasingly electrical or do we go our own way? So there are some very very important questions there.Lowe thinks the sound of the engines needs to be a key consideration post-2020 -- especially if F1 wants to remain relevant to road cars.That debate started really with the issue of the sound of these engines when they arriveed in 2014.dddddddddddd Its better now than it was back then but it doesnt match the sound of the old V8s or the V10s but it still raises an interesting debate.I think road cars of the future, at some point not that far off, will be completely silent if they are all electrical so will we want noise, will we associate noise with performance or not? There are some very interesting debates there and I think we need to start that process.Ferraris Jock Clear agreed with Lowe, saying it is important to give teams plenty of time to understand what the regulations will look like.It needs to be thought about. I think what we have learned from this cycle and this era of hybrid engines is that the power units now are very, very complicated and it needs a lot of planning and I think well go into those next negotiations with eyes wide open this time.I dont think theres anybody who didnt fall into the category of underestimating what might have been involved, and as such, [so] the sooner we start, the sooner well be aware and the sooner we can come to a solution that will be the best for the sport. ' ' '