There is going to be a minimum of four minutes of stoppage time played. Rennes are on the brink of a first home win over PSG in eight years.
89'
Mbappe sends a teasing cross into the area looking for Cavani, who is penalised after catching the defender with a high boot when attempting an overhead kick.
88'
E. Cavani gets yellow.
Cavani's frustrations boil over and he says one word too many for the liking of the referee, who shows him a yellow card.
87'
Are PSG heading for a fifth league defeat in six away games? Well, unless they can find a late equaliser, that will be the case.
85'
J. Siebatcheu gets yellow.
Siebatcheu is booked for time-wasting after preventing PSG from taking a quick free-kick.
84'
Salin gets down well again to keep out Mbappe's precise effort before Rennes clear the ball to safety.
81'
PSG press for the equaliser with Bernat trying to send a teasing cross into the area, but it goes behind for a goal kick.
79'
S. Boey enters the game and replaces F. Maouassa.
The hosts make their final change with French under-18 international Sacha Boey coming on for Maouassa.
77'
J. Léa Siliki enters the game and replaces B. Bourigeaud.
L. Paredes enters the game and replaces J. Draxler.
Rennes make their second change with Bourigeaud making way for James Lea Siliki, who spent time in PSG's academy as a youngster.
Meanwhile, the final throw of the dice from Tuchel sees Leandro Paredes replace Draxler.
Minute
Description
73'
J. Siebatcheu enters the game and replaces R. Del Castillo.
A first change for Rennes. Del Castillo, who is the match winner as things stand, makes way for Theoson Siebatcheu.
72'
Fair to say that Rennes have been bittersweet opposition for Mbappe. While the French international was on target in the 2-1 victory earlier this month, he has also been sent off twice in this fixture. He will be hoping for happier memories from this game and has just under 20 minutes to make his mark.
70'
Mbappe tries to fashion an opportunity as he has a go from 25 yards. However, his effort bends just wide of the far post.
67'
Juan Bernat gets yellow.
Camavinga drives forward before drawing the foul out of Bernat, who has his name taken as a result.
66'
Will the subs make an impact? We are approaching the final quarter of this game with Rennes still 2-1 to the good.
64'
Pablo Sarabia enters the game and replaces Á. Di María.
C. Dagba enters the game and replaces T. Meunier.
The other change sees youngster Colin Dagba replace Meunier.
Tuchel responds by making a double-substitution. The first sees Di Maria make way for Pablo Sarabia.
62'
Of course, beating PSG is not something new for Rennes. They were victorious on penalties in last season's Coupe de France final following a 2-2 draw at the end of normal time.
58'
M. Verratti gets yellow.
Another yellow card for PSG. This time, Verratti has his name taken after a foul on Morel, who was threatening to break for the hosts.
54'
T. Meunier gets yellow.
PSG's frustration is evident as Meunier is cautioned following a deliberate foul to stop Maouassa in his tracks.
50'
What an impact from Camavinga! The 16-year-old, who doesn't turn 17 until November, only signed his first professional deal with Rennes last December. He subsequently made his first-team debut against Angers in April.
48'
R. Del Castillo has scored a goal for Rennes! Assist by E. Camavinga.
That goal was only made possible by a terrific cross from Camavinga, whose centre was just begging to be attacked.
WHAT A START TO THE SECOND HALF!!! RENNES LEAD 2-1! The hosts have turned things around! Following a neat build-up, Camavinga brilliantly dinks the ball into the area, where Del Castillo arrives to guide past Areola.
46'
We're off and running again at Roazhon Park!
45' +1
HALF-TIME: RENNES 1-1 PSG
44'
M. Niang has scored a goal for Rennes! Assist by H. Traoré.
WHAT A TIME TO EQUALISE!!! NIANG MAKES IT 1-1! The former AC Milan forward controls Traore's whipped-in cross and, with time to turn, swivels before sweeping the ball into the far corner.
Traore did brilliantly to pick out Niang with his whipped-in cross, before the striker did the rest.
42'
J. Draxler gets yellow.
Draxler is shown the first yellow card of the game after tripping Morel as he looked to recover from taking a poor touch.
40'
Rennes' resolve is broken following a real lapse in concentration from Da Silva. You simply cannot afford to pass the ball across your own penalty area, especially when strikers of Cavani's calibre are waiting to pounce.
36'
E. Cavani has scored a goal for PSG!
1-0 PSG!!! WHAT A GIFT FOR CAVANI! Rennes are victims of their own downfall as Da Silva plays a stray pass across the face of his own penalty area. Cavani reacts quickly to beat Salin to the ball and tuck away the opening goal of the game.
34'
PSG look to break with purpose as Draxler drives into the heart of defence. The German international looks for Cavani, who slips at the vital moment and Rennes clear.
32'
Shades of Manuel Neuer as Salin comes flying out of goal to head away Verratti's lofted ball towards Cavani. The pre-season arrival from Sporting CP has looked very solid between the sticks thus far.
30'
PSG's all-time leading scorer, Cavani is closing in on 200 goals for the club. He opened the scoring in last weekend's win over Nimes with what was his 194th strike in all competitions.
28'
PSG may have enjoyed most of the possession but they do appear to still have a bit of early-season rustiness. The latest example of this sees Verratti aimlessly overhit an attempted through ball for Cavani.
24'
Di Maria tries to make something happen for PSG as he seeks out Draxler with a deep cross. However, the Argentine's delivery is significantly overhit and drifts behind for a goal kick.
22'
Still goalless as we approach the midway point in the first half. PSG are slowly turning up the pressure but, so long as this game remains at 0-0, Rennes are likely to grow in confidence.
16'
At the other end, Del Castillo races onto Grenier's neat through ball, but Diallo reads the situation well and is able to thwart the danger with a very well-timed intervention.
12'
The Mali international full-back is a player with connections to the French capital. He began his professional career with Ligue 2 side Paris FC.
10'
Traore gets forward for the hosts and cuts inside before trying his luck from a tight angle. However, he scuffs his effort way wide of the target.
9'
Rennes will be happy with how the opening 10 minutes of this game have unfolded. So far, they have stifled the threat of Mbappe, while also keeping Di Maria and Cavani quiet. Of course, there is still a long way to go, but the hosts will be very encouraged.
5'
The first shooting opportunity of the game falls to Draxler after Di Maria's cross is only half-cleared by Traore. But the Germany international's long-range left-footed volley is always rising and never troubling the goalkeeper.
3'
Rennes force the first corner of the game following some good work from Niang. However, they opt to take it short and PSG quickly regain control of the ball.
1'
Referee Antony Gautier blows his whistle and Rennes get the match underway.
Hello and welcome to live coverage of the Ligue 1 fixture between Rennes and Paris Saint-Germain at Roazhon Park.
Both sides are aiming to build on their winning starts to the season last weekend. Reigning champions PSG began with a commanding 3-0 victory over Nimes, while Rennes enjoyed a narrow 1-0 success against Montpellier.
RENNES (5-3-2): Romain Salin; Hamari Traore, Damien Da Silva (captain), Jeremy Gelin, Jeremy Morel, Faitout Maouassa; Benjamin Bourigeaud, Eduardo Camavinga, Clement Grenier; M’Baye Niang, Romain Del Castillo.
SUBS: Edouard Mendy, Gerzino Nyamsi, Sacha Boey, Jakob Johansson, James Lea Siliki, Yann Gboho, Theoson Siebatcheu.
SUBS: Marcin Bulka, Tanguy Kouassi, Colin Dagba, Idrissa Gueye, Leandro Paredes, Pablo Sarabia, Eric Maxim Choupo-Moting.
PSG (4-3-3): Alphonse Areola; Thomas Meunier, Thiago Silva (captain), Abdou Diallo, Juan Bernat; Marco Verratti, Marquinhos, Julian Draxler; Kylian Mbappe, Edinson Cavani, Angel Di Maria.
Rennes boss Julien Stephan makes two changes to the side that beat Montpellier last weekend. One of them is enforced with Romain Del Castillo replacing the suspended Flavien Tait, who was sent off on his league debut. Meanwhile, Benjamin Bourigeaud comes into midfield as James Lea Siliki drops to the bench.
The teams are making their way out onto the field and kick-off is moments away.
That leaves us finely poised ahead of the second half. There is no doubt that PSG will be the favourites to take the spoils, but Rennes will be buoyed by that equaliser and just need to cut out any silly mistakes to have a chance of getting something from this game.
That's all for our coverage. Thank you for following. Goodbye!
PSG will look to put things right when they host Toulouse at Parc des Princes next weekend. Meanwhile, Rennes shall be aiming to continue their 100 per cent start to the season away at Strasbourg.
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