I initially started draining out of the kettle ball valve with no tubing because early on I’d be brewing a 10gal batch, my kettle would be sitting on top of the floor-sitting burner, and I didn’t feel very safe trying to lift that heavy-ass thing up high enough to easily drain into a bucket fermentor. So, I’d just leave the kettle full of cooled wort on the burner, hold a small sanitized pitcher under the valve, and go pitcher by pitcher into the fermentor until the kettle was light enough to just lift it up and dump the rest into the bucket.
The glorious side effect was some pretty decent aeration, between the stream of wort flying into the pitcher, and then being dumped in small batches from the pitcher into the bucket. I usually don’t spill a drop because as the stream out of the ball valve gets shorter and shorter, I just move the pitcher with my hand to follow. I like this method because it’s one less piece of tubing to clean.