The first ever Overwatch League is fully underway, and we've already had 12 matches of esports action.

The league proved to be extremely popular, especially on its first day, gaining hundreds of thousands of concurrent views on Twitch.

Those who've tuned in haven't been disappointed either, as we've already seen some top level Overwatch play, particularly from the top teams in the league.

Seoul Dynasty are undoubtedly the top team right now, but others aren't too far behind them

The 12 teams have all played two games each, so we now have more of an idea of how they're starting to stack up.

Some teams impressed while others under-performed. Mail Esports' Matt Porter watched all of the action, and has updated the Overwatch League Power Rankings accordingly.

1. Seoul Dynasty =

Seoul Dynasty won both their games, but their opponents have found a couple of weaknesses

Everyone knew Seoul Dynasty would be the team to beat going into the start of the regular season, and they lived up to the hype.

Byung-Sun 'Fleta' Kim has been unstoppable on Widowmaker, often taking the limelight away from his fellow DPS players, and away from support master Je-Hong 'Ryujehong' Ryu.

They lost their first map on Junkertown to Dallas Fuel, which was a combination of Fuel being very good at escort, and probably some early season nerves. A draw on Numbani was a little surprising too, but a draw was all they needed to secure a win in the series.

As for their match against Los Angeles Gladiators, there was a clear gulf in class, particularly on the assault and control maps.

2. London Spitfire +1

London Spitfire rise one point this week thanks to their dominant performance against Fusion

There was some concern over the London Spitfire after they lost the first map in their match against the Florida Mayhem. They lost against the Gladiators in the preseason too, so was their roster overhyped?

Apparently not, as from that point on they were completely dominant, shutting out Mayhem on Oasis and Numbani, and putting up a strong defense on Temple of Anubis.

Perhaps they were just trying to gain some more British fans in the first map by following the tradition of having the better team but losing anyway.

Spitfire came out firing in their next match against Philadelphia Fusion. The American team looked great against Houston Outlaws the previous day, but London wiped the floor with them.

After Fusion got the payload to point B on Junkertown, Spitfire stopped them gaining a single point for the rest of the match.

Tank player Jae-Hui 'Gesture' Hong particularly impressed for Spitfire, as did Ji-Kyeok 'Birdring' Kim and Mercy maestro Jong-Seok 'NUS' Kim.

3. New York Excelsior -1

New York Excelsior have an incredible roster, but they definitely have another gear to go up

New York Excelsior round out the top three teams, and they just so happen to have the third entirely South Korean roster on the list. Funny how that works out.

They're still looking very strong after winning both of their matches, but Spitfire have climbed above them in the rankings due to the manner of their wins.

If this were a power ranking list of DPS players alone, NYXL might be at the top, as Jong-Ryeol 'Saebyeolbe' Park, Hae-Seong 'Libero' Kim, and De-Hyeon 'Pine' Kim are seriously putting the work in.

I've called Pine a one-man-highlight-reel before, but it's worth mentioning again because, quite simply, there is no counter to his McCree play.

Pine was probably the biggest talking point of week one, and it's easy to forget the control point specialist played just two of the eight maps.

NYXL have an excellent roster and are sitting pretty on two wins, and although they're in third place on this list, it feels as though they have another gear to step up to.

We haven't seen any of the top three take each other on yet. When we finally do in a couple of weeks time, it'll make for some very interesting viewing.

4. Los Angeles Valiant +2

Los Angeles were the surprise performers in week one, and haven't lost an OWL match yet

For me, the Los Angeles Valiant were the most impressive team in week one, not only because they were the only team not to lose a single map, but because they weren't really expected to do this well.

They won the inaugural battle for Los Angeles, and they scraped past San Francisco Shock back in the preseason. In week one, Valiant performed better, storming past Shock again in a 4-0 sweep.

Then, against Dallas Fuel, who put up a decent fight against Seoul Dynasty on day one, they put in an even better performance, and proved one thing.

Los Angeles Valiant are clutch.

Winning a ridiculous 8-7 map on Junkertown where they pushed the payload through the whole map pretty much entirely on overtime, and then eking out a draw on Horizon Lunar Colony, it looked like they completely wore Fuel out.

From then on, Dallas crumbled, and Valiant are looking extremely good. They haven't come up against New York, London, or Seoul yet though, and that will be their biggest test.

5. Dallas Fuel -1

Dallas Fuel are still high up the rankings despite their losses, but they need to perform better

It's surprising to see the Dallas Fuel so far down the rankings after week one, but here we are.

They're alongside Florida Mayhem, Houston Outlaws, and Shanghai Dragons as having no wins yet, but everyone knows they're better than this.

This is the former Team EnVyUs squad, which has won trophies and conquered some of the best teams in the world. They came up against old foes Seoul Dynasty and lost narrowly, and were then shocked by the Los Angeles Valiant, who now climb above them in the rankings.

In future weeks, Dallas Fuel should climb back up the ranks. At least hopefully they will, as it will be a shame to see a once great team fall from grace.

6. Los Angeles Gladiators =

The Los Angeles Gladiators keep their spot as the most average team in the league, going 1-1

Los Angeles Gladiators are about as middle of the road as you can get in the Overwatch League right now.

They went 1-1 in preseason, and they're now at 1-1 in the regular season. They put in a surprise performance against London Spitfire, but lost against LA rivals Valiant.

In week one, they came up against the worst team in the league and won easily, and then came up against the best team in the league and got stomped. It's hard to put them anywhere else other than sixth right now.

There's a lot of talent on the team. Pretty much the entire roster is made up of familiar Overwatch names, so we could see them perform better against other teams around their skill level.

The usually aggressive Jonas 'Shaz' Samuel Suovaara was shut down by the Widowmaker of Fleta, but his fellow support Benjamin 'BigGoose' Ville Aapeli Isohanni put in a few great performances against the Dragons.

7. Boston Uprising +2

Boston Uprising improved over their performance in the preseason, but still need to do better

Boston Uprising didn't look great in the preseason, but they've improved somewhat in the month or so in the meantime.

They needed a tiebreaker to get past the Shanghai Dragons in preseason, but they defeated Florida Mayhem in a clean sweep in week one.

They struggled more against a very talented New York Excelsior roster, but they did at least manage to take a map off them.

They're doing okay, but will need to do more to live up to the lofty expectations of their owner Robert Kraft, who also owns a small Boston local NFL team called the New England Patriots.

8. Philadelphia Fusion +4

Philadelphia Fusion picking up a win was heartening after their rocky start, but also lost badly

It's encouraging to see the Philadelphia Fusion do well in the early stages of the season after a rocky start to life.

When I say they didn't turn up to the preseason, I don't mean they badly, I mean they simply didn't turn up. They were bottom of our preseason power rankings, which may have been unfair, but it was hard to put them anywhere else without seeing them in action.

However, now the regular season is underway, we've seen that they can perform pretty well when given the opportunity.

Sadly for the Fusion, the London Spitfire didn't give them the opportunity.

But, they put on one of the best matches of the first week against the Houston Outlaws, forcing the first and only deciding map so far.

Jae-Hyeok 'Carpe' Lee was doing well on Tracer in week one, but there's one player in particular who's stealing the show for Fusion right now.

Gael 'Poko' Gouzerch is possibly the best player in the world at using D.Va's ultimate at the moment, getting an unlikely number of kills with it against some of the best players in the league.

9. Houston Outlaws -2

OpTic fans aren't used to their teams doing badly in first person shooters, but here we are

OpTic Gaming are used to doing well in first person shooters, so their fans might be disappointed by the Houston Outlaws performance so far.

They're win-less, and although they were probably expected to lose against the New York Excelsior, they should've probably done better against the Philadelphia Fusion.

They lost both matches in the preseason as well, albeit against a couple of top tier teams.

They should pick up their first win against the Shanghai Dragons next week, but if they don't, some serious questions will have to be asked.

10. San Francisco Shock -2

Shock aren't doing well, and will be looking forward to star players becoming eligible to play

San Francisco Shock fans will be counting down the days until their two star players, Jay 'Sinatraa' Won and Matthew 'super' DeLisi are eligible to play in the Overwatch League.

Until that day comes, they're looking pretty flat. Although they were able to grab a win, it was against a weak Shanghai Dragons team, and although they put up a decent fight at times against Los Angeles Valiant, they still lost the match 4-0.

They'll need to improve as time goes on, and although they're missing top players right now, they still have a lot of talent on the roster.

Their matches next week against Philadelphia Fusion and Boston Uprising will be big indicators of things to come. Shock will need to beat teams like this to have a chance at making the playoffs at the end of the season.

11. Florida Mayhem -1

Florida Mayhem have the smallest roster, and the lack of flexibility is hindering them right now

The lack of substitute players for the Florida Mayhem has been talked about to death already, but it appears to be just as big a stumbling block as people feared.

Spirits may have been buoyed by taking a map off the London Spitfire, but for the rest of that match they looked weak.

Then against the Boston Uprising, they just weren't able to defend, eventually losing the match 4-0. Uprising are pretty good, but most teams should be able to take at least one map off them.

Things are probably going to get worse before they get better, as the Mayhem have Seoul Dynasty up next. As for their second match in week two, getting a win against Shanghai Dragons is absolutely essential.

12. Shanghai Dragons -1

Shanghai Dragons have the weakest team on paper, and in practice they might be even worse

The lack of experience in the Shanghai Dragons team has reared its ugly, fire-breathing head already.

Los Angeles Gladiators are an excellent defensive unit, but the Dragons' anemic attack was pretty embarrassing in their 4-0 loss.

They did manage to win a map against the San Francisco Shock, but they're not exactly performing at the top of their game right now.

The roster still needs time to develop and work together as a team. Unfortunately for the Dragons, most of the other teams will be improving over time as well. Right now, it's tough to see where they're going to pick up a win this season.