I have played ...IT N Soccer.
For over twelve years, it's free
Play 1st team and reserves.And international matches
3 matches a week.
P.M... me if you want further information
www.itnsoccer.com

https://rockingsoccer.com/ar/soccer/invitation?ref_id=125162&chk=4b2478b0d4

Many over the years. I stopped playing about 8 years ago (I think an ex-girlfriend made me quit) but over Christmas I got the urge to have a look around and signed up to a few, including, thankfully this one.

Online football manager games (mostly under Funky Town if you want to contact me or kicl my butt elsewhere)
F4Football
Managerleague (very similar to this, but a different scale)
Managerzone
Hattrick
Sokker (haven't quite got into this and I'm expecting the team to fold soon.)

Basketball - Buzzerbeater

Cricket - Battrick

Rugby League - Blackout Rugby

Non-sport online games - Tibia