And there's the final whistle. Marathón go top of Group C with a 2-1 victory over Seattle thanks to a late first-half penalty by Cardozo.
90' +3
Alonso controls with a half volley in the center of the area, but his shot is high.
90' +2
Sturgis sends in the inswinger, but Orio does well to gather in the six-yard box.
90' +1
Long cross by Riley is headed away by Mejía for a corner.
90'
Three minutes will be added on.
89'
Inches from the equalizer there is Seattle as Montero drags just wide after a bad giveaway by the Marathón defense.
88'
Shouts for penalty by Seattle as Montero goes down in the area, but the referee waves to play on.
87'
Cross from the left by Levesque, but Orio reaches up for another confident take. Moments later, Levesque is withdrawn for David Estrada.
86'
D. Estrada enters the game and replaces R. Levesque.
85'
Mejía turns for a shot from the right, but Marshall's right boot deflects it away.
Minute
Description
83'
More pressure coming up the right for Seattle, but the Marathón defenders are absorbing it well at the moment.
82'
Alonso with a decent cross to center from the right, but Orio is out nicely to take it with Levesque crashing the far post.
80'
Mejía slides the ball forward for the oncoming run of Flores, but Keller races off his line to intercept. At the other end, Levesque crosses low from the left to the near post for Jaqua, but his turning shot goes high.
78'
Corner won by Seattle as Norales plays the ball behind. On the service by Sturgis, a glancing header goes off the bar! So nearly the equalizer for Seattle.
77'
Final sub now for Marathón as Luis Santamaría replaces Palacios.
76'
L. Crisanto enters the game and replaces M. Palacios.
Free kick to Marathón, won by the revived Cardozo 35 yards from goal.
75'
Play finally gets back under way as both players continue to receive treatment on the side.
73'
Stoppage in play here as Marshall and Cardozo collided in midair. Marshall goes off with a cut to the head while Cardozo requires the stretcher to come off.
72'
Sturgis puts it on his right boot, and he doesn't miss by much as the ball curls wide of the post with Orio at full stretch.
71'
Free kick in the center to Seattle as Montero is brought down by Norales about 25 yards from goal.
70'
Berrios has space to run on the left, but he opts for a weak 30-yard shot that harmlessly skips wide of Keller's far post.
69'
The day is done for Fernández as Michael Seamon takes his place for Seattle, and Marathón also make their second change as Carlos Will Mejía replaces Randy Diamond.
68'
C. Mejía enters the game and replaces R. Diamond.
M. Seamon enters the game and replaces Á. Fernández.
Good cross from the left by Montero finds the head of Jaqua in the middle, but Orio gathers after the ball deflects off of a defender.
66'
Riley crosses in from the right for the head of Levesque, but the ball is right at goalkeeper Orio.
65'
Attacking foul by Berrios as he undercuts Sturgis on an aerial ball. Marathón now trying their best to grab a third an ensure full points from this one.
64'
And before the free kick, Nate Jaqua enters the game for Seattle in place of Nkufo.
63'
Yellow for Seattle now as González impedes the run of Flores.
62'
L. González gets yellow.
N. Jaqua enters the game and replaces B. N'Kufo.
60'
An hour gone in this Group C clash, and the Hondurans are still holding on to a 2-1 lead. It should be a thrilling final half hour.
59'
Corner for Marathón as pressure from Palacios down the right forces the Seattle defense into action.
58'
Seattle slowly beginning to enjoy a bit more possession, but the passing in midfield is letting the visitors down at the moment.
56'
Both sides going back and forth now, each doing a good share of turning the ball over to the other side. The tackles are also getting harder on both sides as the intensity picks up.
53'
Another free kick for Seattle in the center as González is chopped down by Adolfo Machado.
52'
Marathón finished second in their group last season before being eliminated by Pumas in the quarterfinals. Seattle, meanwhile, only came into existence last year. Quite a feat, then, that the club qualified for this competition at their first try by winning last season's U.S. Open Cup.
50'
Yellow to Berrios for slicing down Alonso on the right side. Free kick to Seattle 40 yards out. Montero sends in the service, but a foul brings the play to an end.
49'
M. Berrios gets yellow.
On the corner, Sturgis' ball finds the head of Fernández at the near post, but the ball flies over.
48'
Corner to Seattle as Fernández's shot from close range is deflected behind.
46'
R. Flores enters the game and replaces H. Amarilla.
The second half is under way in San Pedro Sula. Marathón make one change at the break as Amarilla is replaced by Rony Flores after picking up a knock on the penalty.
45' +2
There's the half-time whistle, and a bit of bad luck on the side of Marshall has given Marathón the go-ahead goal just before the break. He didn't know much about Amarilla coming through, but he definitely did catch him with the boot. Good first half, and more sure to come from San Pedro Sula.
45' +1
Penalty goal scored by C. Cardozo for Marathón! It was awarded thanks to H. Amarilla
Goal Marathón! Cardozo with a cool finish from the spot, and it's 2-1 to the home side just before the break.
44'
Penalty to Marathón! While attempting to clear the ball, Marshall catches Amarilla and the referee points to the spot.
43'
T. Marshall gets yellow.
Corner for Seattle. Sturgis' cross is headed down by Riley, but Marathón are able to clear.
42'
Back on the pitch after some treatment, Cardozo crosses from the left only to see the ball sail out of play.
40'
Big chance there for Marathón as a header by Cardozo loops on to the bar. On the rebound Amarilla is just beaten to the ball by González with Keller off his line. Big let-off for Seattle there.
38'
Nkufo has a direct attempt at goal, but the ball swerves wide of the far post.
37'
Free kick awarded to Seattle as Montero is chopped down by Montero. The ball is about 35 yards out in the left channel.
35'
Levesque is through again in the center, but Orio comes out nicely to smother his shot at the penalty spot. Big save there by the Marathón keeper.
34'
Good off-foot effort by Carlos Palacios, but he slices the shot just wide of Keller, who is at full stretch to make sure the ball goes wide.
33'
Alonso comes forward from the back to lash a 30-yard drive, but the ball goes wide across the face of goal.
31'
Héctor Amarilla is impeded by Marshall on the right, and the Jamaican international is penalized.
29'
Montero slides it forward for the run of Levesque, but the Seattle goalscorer is a yard offside.
28'
Nkufo lays it back for Sturgis at the top of the area, but the midfielder hits weakly at Orio.
27'
Goal Marathón! Paz bags the equalizer as he sends a right-footer past Keller from the edge of the area after a flick back from Randy Diamond. They had been pressuring, and the Hondurans now have their reward.
26'
O. Paz has scored a goal for Marathón! Assist by R. Diamond.
25'
The ball rolls free to Orvin Paz on the left side of the Seattle area, but his shot is blocked out by Alonso.
24'
Berrios tries to latch on to a long ball on the left, but the flag goes up on the Marathón captain.
22'
Marathón have plenty of pace to attack, but Seattle are right there with them with some solid defending.
20'
Almost a second there for Seattle as Sturgis breaks through on the left, but his pull back to center is caught low by Orio.
19'
That goal quieted the crowd in San Pedro Sula momentarily, but La Furia Verde are back in full voice to will their team to an equalizer.
17'
Goal Seattle! Montero dispossesses a defender on the right side of the area, and his cross is flicked by Blaise NKufo to Roger Levesque for a cool finish from 12 yards. Good goal by the Sounders and a great start for the Americans.
16'
R. Levesque has scored a goal for Seattle Sounders! Assist by B. N'Kufo.
Long drive by Henríquez from the center drags wide with Keller never in trouble.
14'
Another corner for Marathón as Leonardo González is forced to play the ball behind. After playing it short, Berrios fires from a sharp angle over the bar.
13'
Cardozo has go at a cross from the left corner, but the ball sails out of play over the goal.
11'
Now it's James Riley of Seattle requiring a bit of leg treatment on the pitch.
10'
Montero crosses for Uruguay international Álvaro Fernández, but the ball is cleared away by Erick Norales.. Meanwhile, Fernández is down in some pain on the pitch only to rise up shortly after.
9'
Nearly an opening there for the hosts as Milton Palacios' cross seeks out Cardozo in the center, but Tyrone Marshall does well to cut out the pass.
6'
Marathón break forward, but Nicolás Cardozo is offside.
5'
Nathan Sturgis crosses from the center to the left post for Montero, but the Colombian's leaping header is wide.
4'
Free kick for Seattle about 30 yards out as Astor Henríquez trips him up from behind. Montero lines it up, but shoots into the wall.
3'
Neat footwork by Seattle's Fredy Montero in the Marathón area, but his cross is snatched out of the air by goalkeeper Shane Orio.
2'
The cross by Mario Berrios is headed clear by Osvaldo Alonso, and the return cross is headed on only to be saved by Kasey Keller.
1'
With the whistle of Guatemalan referee Juan Carlos Guerra, we are now under way in San Pedro Sula. Right off the bat, an early corner is awarded to Marathón.
It is the final game of Matchday 1 this evening in the CONCACAF Champions League as Marathón of Honduras play host to American side Seattle Sounders FC. With a win, either side would join Mexican club Monterrey atop Group C on three points. Marathón qualified for the group stage after a 4-2 aggregate win over Tauro of Panama, while Seattle edged Metapán 2-1 on aggregate in the preliminary round.
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