I was watching a CSI 8 ball on youtube. The pros were running out so easy. Probably getting out well over 80 percent of racks. It was alternating break race to 9. ...
Sounds like that might have been the US Open 8-Ball Championship, played in July, 2015. The B&R percentage for the 17 streamed matches in that event was 52%. Here is the my stats thread on that event: http://forums.azbilliards.com/showthread.php?t=403403
Also, see post #3 of that thread for a comparison of 8-Ball on 7-footers vs. 9-footers. Pretty similar stats.