This weekend in esports: 'Dota 2' Major and 'League of Legends' All-Star Event

It can be tough to keep track of everything going on in the world of professional competitive gaming. Fear not: Each week, Mashable rounds up the best and biggest tournaments in esports to let you know when they're going down, and where to catch all the action. Plug in.

This weekend, you're looking at the first Dota 2 Major of the 2016-2017 season, the League of Legends All-Star showdown and the last major Counter-Strike: Global Offensive tournament of the year.

Check out what's going on this weekend and next week below.

Dota 2 -- The Boston Major

When: Friday and Saturday starting at 10 a.m. ET. Grand finals on Saturday at 6 p.m. ET. Where to watch: Twitch, YouTube and Facebook.

The Boston Major is the first Major of the 2016-2017 Dota 2 season, pitting 16 top teams against each other in a single elimination bracket with a $3 million prize pool. The round-of-16 started Wednesday where International 2016 champions Wings Gaming were knocked out by Evil Geniuses. EG faces The Summit 6 champions Virtus.pro at 10 a.m. Friday in the quarterfinals.

League of Legends -- 2016 All-Star Event

When: Friday through Sunday starting at 10 a.m. ET. Where to watch: Twitch and YouTube

The League of Legends All-Star series is back, featuring fan-voted favorites from around the world competing against each other on all-star teams and in 1v1 duels. Each day features three region vs. region all-star matches, a handful of duels, and at least one special-rules match.

CS:GO -- Esports Championship Series Season 2

When: Friday through Sunday starting at 11:15 a.m. PT, Saturday starting at 10:15 a.m. PT. Grand finals on Sunday at 6 p.m. PT. Where to watch: Twitch.

The Esports Championship Series Season 2 is the last major CS:GO tournament of 2016, and features several recent tournament champions competing over a $750,000 prize pool. Kicking off group play Friday: a rematch of the ELeague grand finals: champions OpTic Gaming vs. runners-up Astralis. ESL Pro League Season 4 winners Cloud9 and Major champions SK Gaming are among the eight teams left in ECS.