Chelsea are trying to slow the pace of the game down now, they sense that the game is almost won as Slavia are unable to get on the ball and test Kepa in the final stages.
90'
There will be a minimum of four minutes added time played.
88'
Can the hosts find an equaliser late on? They've played well tonight, but some poor marking at the back has let them down.
86'
Marcos Alonso has scored a goal for Chelsea! Assist by Willian.
Willian has been excellent tonight and he turns provider for the goal, his cross was perfect for Alonso to run onto and fire past Kolar.
GOOOAAALLL! Chelsea take the lead it's 1-0! Alonso is the man with the vital away goal, breaking the deadlock late on! Willian with a terrific cross into the penalty area and Alonso was completely unmarked and free to head the ball into the bottom corner of the net.
85'
It's end to end at the moment and the game is becoming stretched, as both teams push players forward in the final minutes.
83'
V. Coufal gets yellow.
The first yellow card of the game is shown to Coufal, after he drags Hazard down as he tried to break away on the counter.
82'
M. van Buren enters the game and replaces P. Olayinka.
Final change for the hosts now, with Oladeji coming off and he has been replaced by van Buren.
79'
Goal ruled out! Chelsea have the ball in the back of the net, but it's ruled out for offside. Jorginho was the man with the final touch from just a few yards out, but Kante was already offside in the build up.
77'
Chelsea will surely try and push forward in search of a vital away goal in these final few minutes of the game. Whilst the home side will be very happy to keep a clean sheet in the first leg. Plenty of time remaining to see some goals.
Minute
Description
75'
R. Loftus-Cheek enters the game and replaces R. Barkley.
Third and final Chelsea substitution, with Loftus-Cheek replacing Barkley.
74'
J. Hušbauer enters the game and replaces L. Masopust.
Slavia make their second substitution of the game, wih Masopust heading off the pitch and he has been replaced by Husbauer.
71'
Good spell of pressure here by the hosts, they are camped inside the Chelsea half and have won a couple of corners to keep the pressure up.
68'
N. Kanté enters the game and replaces M. Kovačić.
Another Chelsea substitution, a straight swap in midfield for the Blues, with Kovacic coming off and he has been replaced by Kante.
Hazard wins a free-kick in a good position after he is tripped down the left wing and this is a good opportunity to get the ball into the penalty area. Unfortunately, Willian's ball is poor and Slavia easily clear the danger.
64'
J. Zmrhal enters the game and replaces M. Stoch.
Slavia now with their first change of the game, with Stoch coming off and he has been replaced by Zmrhal.
63'
Already you can see the difference that Hazard has made to this Chelsea team, they are playing quicker football and it seems to have given them a boost.
59'
E. Hazard enters the game and replaces Pedro.
Here is the Chelsea substitution, with Pedro the man coming off, who has barely been involved tonight on the right wing. Hazard is his replacement.
58'
The home supporters are creating a terrific atmosphere here, really getting behind their team. They haven't stopped at all tonight.
56'
It looks like Hazard is about to come on for Chelsea, they need his spark and creativity, as they haven't really tested the Slavia defence much tonight.
54'
Slavia break down the other end of the pitch for the first time in the second half and force Kepa to punch a cross clear, after throwing a few players forward.
52'
Chelsea have started the second half in positive fashion, showing more urgency to push forward and break the deadlock, as they are enjoying plenty of possession in the Slavia half.
48'
Almost an own goal! Alonso puts a good low cross into the box, which Ngadeu-Ngadjui blocks, but in doing so he turns it towards goal and Kolar has to be alert and make a good save at his near post.
46'
The second half is underway!
45'
HALF-TIME: SLAVIA PRAGUE 0-0 CHELSEA
43'
Poor play by Kepa, the Chelsea keeper tries to keep possession by chipping the ball out to Alonso on the left, but his pass is terrible and the ball flies straight out of play.
41'
It's a very scrappy game, with both teams giving it their all, but not much quality on show. Slavia will certainly be the happier of the two sides at the break with this scoreline.
39'
There's not long until the break now, can either side break the deadlock before the half-time whistle?
37'
Chelsea are getting into good positions, but the final ball is letting them down in the final third. Or, sloppy passes to hand the ball back to the hosts.
33'
Almost! Chelsea with a terrific counter attack, started by Barkley on the edge of his own box. The midfielder sprints forward and it's two-on-two, he plays the ball in behind to Giroud, who then races through on goal and just has the keeper to beat. However, the striker made his run too early and the linesman has his flag up for offside.
31'
Chelsea are just edging the possession stats so far, but much of it is in their own half and the middle of the pitch, as Slavia are pressuring them high and defending well in numbers.
29'
We're midway through the first half now and it's still goalless here, with Willian going closest to opening the scoring. This is the only game to not have any goals scored so far, with all of the other Europa League games seeing early goals.
27'
Giroud has struggled to get involved so far tonight, with Willian being Chelsea's best player so far and greatest attacking threat.
23'
Free-kick to Slavia in a good position after Rudiger barges into the back of Olayinka close to the right wing touchline. Stoch whips the ball into the box, but it falls to beat the first defender and Chelsea comfortably clear.
21'
Decent effort! Sevcik with a powerful effort at goal, but it's straight at Kepa, who spills the ball at first but manages to gather at the second attempt.
18'
Chelsea work the ball into the hosts box, but Jorginho is unable to control the ball and fouls his opponent, handing the ball back to Slavia.
16'
The best chance of the game so far is the opportunity in the opening two minutes by Ngadeu-Ngadjui. There hasn't been much quality on show just yet.
14'
The game is quite open at the moment, with neither team able to control possession and in their eagerness to push forward, they are both leaving space to exploit at the back.
10'
Slavia are struggling to cope with Willian down the left wing, that's the second time in a matter of minutes that he has skipped past a couple of challenges and almost created a goalscoring chance. This time his cross is blocked.
8'
Willian does really well down the left wing, he dribbles all the way into the box and looks to try and work space for a shot, but can't quite manage it. The ball comes out to Barkley on the edge of the penalty area, who tries to curl the ball into the top corner, but it flies high over the bar.
6'
Bright start here by the home side, they are keeping the ball well and making Chelsea chase the game in the opening few minutes.
4'
Sections of the Sinobo Stadium are closed tonight after crowd disturbances in the away end at Genk in the Europa League back in February. However, the home supporters are still out in their numbers and creating a cracking atmosphere in the early stages.
2'
CLOSE! Early chance for the hosts as they win a free-kick midway in the Chelsea half. Stoch whips the ball towards the far post and it's met by Ngadeu-Ngadjui, who heads the ball just wide of the Chelsea goal.
1'
We're underway!
Hello and welcome to our LIVE match commentary of the Europa League quarter-final clash between Slavia Prague and Chelsea at the Sinobo Stadium.
Chelsea go into this game as favourites, having won three games on the bounce and now sit third in the Premier League. Slavia were knocked out of the Champions League earlier in the season by Dynamo Kyiv, who were subsequently thrashed 8-0 on aggregate by Chelsea in the last 16 of the Europa League last month.
Slavia are currently top of the Czech First League, seven points ahead of Viktoria Plzen and they come into this game on the back of a 5-1 victory at the weekend. It took a last-minute winner in extra-time against Sevilla to send them into the Europa League quarter-finals.
SLAVIA PRAGUE SUBS: Jaromir Zmrhal, Josef Husbauer, Mick Van Buren, Ondrej Kudela, Milan Skoda, Michal Frydrych, Premysl Kovar.
SLAVIA PRAGUE (4-2-3-1): Ondrej Kolar; Vladimir Coufal, Michael Ngadeu-Ngadjui, Simon Deli, Jan Boril; Ibrahim Benjanim Traore, Alex Kral; Lukas Masopust, Petr Sevcik, Miroslav Stoch; Peter Olayinka.
CHELSEA SUBS: Willy Caballero, Davide Zappacosta, David Luiz, N'Golo Kante, Ruben Loftus-Cheek, Eden Hazard, Gonzalo Higuain.
CHELSEA (4-3-3): Kepa Arrizabalaga; Cesar Azpilicueta, Andreas Christensen, Antonio Rudiger, Marcos Alonso; Mateo Kovacic, Jorginho, Ross Barkley; Pedro, Olivier Giroud, Willian.
The teams are out and kick-off is just a few minutes away, stay tuned for all of the match action!
Slavia have played well and have frustrated Chelsea, who haven't been at their best, apart from Willian who has argubly been the best player on the pitch so far. Hopefully we will see some goals in the second half, as this is the only game tonight that hasn't got any.
That's all from us tonight folks, we hope you enjoyed the game!
The two sides will face each other again next week in the second leg and Slavia will have to put in a big performance at Stamford Bridge to turn the game around. Chelsea have a huge game in the Premier League at the weekend, when they face title chasing Liverpool at Anfield.
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