404. That’s an error.

The requested URL /_/+1/confirm?hl=en&url=http%3A%2F%2Fwww.baseballthinkfactory.org%2Fm%2Fhistory%2Fmccoy_pete_rose_against_eliminating_collisions&title=McCoy%3A%20Pete%20Rose%20against%20eliminating%20collisions was not found on this server. That’s all we know.