Lionel Messi. While the Argentina number 10 was at least a yard offside when collecting a pass from Ivan Rakitic to open the scoring, he remained at the heart of everything Barcelona produced going forwards.
There were some dicey moments for Valverde's men at the back but the Camp Nou faithful were able to lap up Ousmane Dembele's second half debut with the points safe, even if chants calling for the resignation of club president Josep Maria Bartomeu tempered a goal-laden finale.
Barca coach Ernesto Valverde brought record signing Ousmane Dembele into the game directly after the goal, but it was Gerard Pique who scored Barca's fourth of the game with a powerful header five minutes from time.
Reigning champions Real Madrid are four points behind Barca after they dropped points for the second game in a row as Ivi's early opener earned Levante their share of the spoils from a 1-1 draw at the Bernabeu.
As expected, it was Barcelona that took control of the early possession, but aside from a Messi effort, which flew harmlessly over the crossbar, Espanyol restricted the hosts to very little inside the opening 15 minutes.
Alba cut the ball back and Messi was in the right place to stab it wide of goalkeeper Pau Lopez.
Espanyol almost pulled a goal back just before the break when Pablo Piatti rattled the upright from the edge of the box.
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Suarez was back in the Barcelona line-up despite an injury scare while on global duty but was not enjoying himself in front of goal as much as Messi.
Espanyol were being outplayed but retained a sporadic threat, with Pique and Samuel Umtiti diverting Leo Batistao's 61st-minute shot behind. The Argentine found Suarez who laid a pass onto the path of Jordi Alba.
If Barcelona win the title this season, it'll be mostly because of Messi, who is probably just a bit past his peak, but is also probably still the best footballer in the world, and completely capable of carrying this less heralded Barcelona team to a title that for the first time in ages would be considered a surprise.
Barcelona have won 13 consecutive games at home in La Liga, their best run since January 2014 (25).
Lionel Messi (18) is the all-time top scorer in Catalonian derbies in La-Liga.
Messi put Barcelona on their way with the opening goal after 26 minutes, although he looked to have been offside.
Espanyol have just one point from their two games in La Liga so far, having drawn 1-1 at Sevilla and lost 1-0 at home to Leganes.
United regain top spot after draw at Stoke City
Maybe he reacted in the wrong way. "I seem to get involved in hand-shake issues!" "I have to say it is a result I accept though". United grasped the lead ten minutes into the second half, as Lukaku found the back of the net for the fourth time this season .
Modi proposes INA memorial in Myanmar
Some Western critics have suggested the Nobel Peace Prize she won in 1991 as a champion of democracy be revoked. Several other agreements were also signed between the two countries.
A redshirt freshman, Starkel completed 6 of 13 passes for 62 yards before exiting the game in the third quarter with the injury. Next up for the Aggies is a home game against Nicholls, which should be just the salve Sumlin and his team needs to get well.
Apparently not as Cowboys running back Ezekiel Elliott is appealing a six-game suspension levied by Commissioner Roger Goodell. The arbitrator didn't meet the deadline to rule on Elliott's suspension, so Elliott can play this Sunday.
Quoting a text message he had received from Sachin Tendulkar, Lara referred to it as "a success the entire world needed". India is likely to begin 2018 in South Africa and is slotted to play four Tests and limited overs series.
MI is ranked No. 8 in each poll, up three spots from last week in the AP Poll and up one spot from last week in the Coaches Poll . No. 2 Ohio State had two first-place votes, while Clemson had three-first-place votes.
We got a preview of iOS 11 at WWDC over the summer, but are still waiting to find out when exactly it will be released this fall. It also lists options to use Face ID for, like unlocking the device, purchases on iTunes and the App Store and Safari Autofill.
The UK accounts for 40 per cent of Bank of Ireland's loan book, mainly through its joint venture with the British Post Office. He said while he had ultimate responsibility for Bell Pottinger, he had been "misled" over the campaign by colleagues.
Girona have a maximum of €80 million (or £73m) to spend on their squad and its salary following an assessment made by La Liga . Javier Tebas asked UEFA to investigate both PSG and Manchester City over financial fair play .
Just when Wales needed something special, Ben Woodburn once again came up with the goods through a stunning run and cross. But there's nothing that prepares you for a 90 minutes out there, it's completely different.
Pandya hadn't featured in India's last T20I against the West Indies, with Kohli opting for five full-time bowlers back in July. Hardik Pandya was rested for that fifth match on Sunday, and he too is expected to return to the playing eleven.
Sean McVay confirms DT Aaron Donald to miss Week 1 vs. Colts
Donald will be added to the active roster with Los Angeles seeking a roster exemption, which is standard in these situations. According to National Football League insider Adam Schefter , Donald reported to the Rams Saturday and took his physical.
ECJ keeps Intel's €1.06bn appeal alive
The lower tribunal - the EU General Court - has to examine "whether the rebates at issue were capable of restricting competition". Intel had also paid a major electronics retail group, Germany's Media Saturn Holding, to only stock PCs with Intel inside.
Star Wars director confirms The Last Jedi's identity
Michelle MacLaren, a director and producer who most recently directed the pilot episode of HBO's The Deuce, surfaced a few times . Now, in 1977, he was likely referring to what would become 1983's Return of the Jedi , a film he could have directed, but didn't.
Eagle Creek Fire prompts release of 600000 hatchery salmon
In early August, Portland's air quality diminished after smoke from wildfires in British Columbia was blown south into the region. By 4 p.m., winds from the east picked up, and big plumes of smoke rose from the steep ridges of the OR side of the Gorge.