Looking on the internet deeply has found these results:

I do sports. is the most popular phrase on the web.

I play sports. 1455,000 results on the web	I do sports. 1468,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I don't even play sports. And my grandfather, he was a wise man, and he saw that as a problem, because he knew that was, like, the one thing I had. I didn't play sports. [scoffs] dude, I play 3 varsity sports. She rocks the chess club. I just want play sports. I don't play sports. I'm really bad at sports. Look, I'm not sure I get why you're hating on me so bad 'cause I play sports. [scoffs] dude, I play 3 varsity sports. Actually, I can play Any sport.	I don't even play sports. Lately, I don't know why I don't really follow sports. I've lost my cheerful spirit. I don't even enjoy sports. I don't play sports. I'm really bad at sports. I don't do organized sports. Just because I'm not a jock doesn't mean I don't follow sports. I don't really watch sports.

I play sports.

1455,000 results on the web

I do sports.

1468,000 results on the web

More popular!

I don't even play sports.
And my grandfather, he was a wise man, and he saw that as a problem, because he knew that was, like, the one thing I had. I didn't play sports.
[scoffs] dude, I play 3 varsity sports.
She rocks the chess club. I just want play sports.
I don't play sports. I'm really bad at sports.
Look, I'm not sure I get why you're hating on me so bad 'cause I play sports.
[scoffs] dude, I play 3 varsity sports.
Actually, I can play Any sport.