So ... Steve Nash plays park soccer with former World Cup stars now -- and TMZ Sports has the video!
It's pretty amazing ... the 45-year-old ex-NBA superstar was playing some 5-on-5 (with a small goal) on Monday at an L.A. park with the likes of Team USA legend Cobi Jones!!!
Nash wasn't the most dominant guy on the field, but he certainly held his own ... which shouldn't be too big of a surprise considering he's a freak athlete who loves soccer.
In fact, Nash has a shrine in his L.