Now I'm living in Canada and it is hard to play outdoors because sometimes it is too cold.

I'm playing in a tournament with a team made up of people from more than 6 countries.

Toronto has a professional soccer team (TFC) and aI love to go to BMO sStadium to watch the games because they play for the. They are a part of Major League Soccer - (MLS and) so we can see important soccer players like Lionel Messi and Luis Suarez that, both of whom used to play in Barcelona.

This is a run-on sentence. You will find it easier to write shorter sentences, and others will find them easier to read as well.

To conclude, I will try to watch and play soccer as whileoften as I can.

Now I'm living in Canada and is hard to play outdoors because sometimes it is too cold.

I'm playing in a tournament with a team made up of people from more than 6 countries.

Toronto has a professional soccer team (TFC) and a love to go to BMO stadium to watch the games because they play for thein Major League Soccer - (MLS) and we can see important soccer players like Lionel Messi and Luis Suarez that used to play in Barcelona.

Y busi? Y alba?

To conclude, I will try to watch and play soccer as while I still can.

I try to watch games in my free time and support teams like Real Madrid, Manchester United, and America de Cali in my country.

oxford comma

Now I'm living in Canada and it is hard to play outdoors because sometimes it is too cold.

pronouns

I'm playing a tournament with a team made up of people from more than 6 countries.

Toronto has a professional soccer team (TFC), and aI love to go to BMO stadium to watch the games because they play for the Major League Soccer - MLS, and we can see important soccer players like Lionel Messi and Luis Suarez thatwho use to play in Barcelona.

pronouns, spelling (Soccer), punctations

To conclude, I will try to watch and play soccer as whilemuch as I can.

I try to watch games in my free time and support teams like Real Madrid, Manchester United, and America de Cali in, who from my country.

"in my country" is ambiguous - It sounds like you're saying you're in Colombia and you're watching those three teams from there.

The comma before "and" (serial comma) is optional, but can help with ambiguity.

Now I'm living in Canada and it's hard to play outdoors because sometimes it's too cold.

I'm playing in a tournament with a team made up of people from more than 6 (different) countries.

"different" is optional, but sounds very natural.

Toronto has a professional soccer team (TFC) and aI love to go to BMO stadium to watch the games, because they play for the Major League Soccer - (MLS) and we can see importantprominent/famous soccer players like Lionel Messi and Luis Suarez thatwho used to play in Barcelona.

To conclude, I wi'll try to watch and play soccer as whilemuch as I can.

I wasn't sure what you meant by "as well as I can." Is this right?

I Love Soccer

I try to watch games in my free time and support teams like Real Madrid, Manchester United, and America de Cali in my country.

Not required, but commonly written with what is called the Oxford comma.

Now I'm living in Canada, and it is hard to play outdoors because sometimes is too cold.

I'm playing in a tournament with a team made up of people from more than 6 countries.

Toronto has a professional soccer team (TFC), and aI love to go to BMO stadium to watch the games because they play for the Major League Socer - MLS and we can see important soccer players like Lionel Messi and Luis Suarez that used to play in Barcelona.

To conclude, I will try to watch and play soccer as while I can.