A picture (video) is worth a thousand words. There's a video of a throw he made earlier in his career that was even better, but I could not find it. I was a nine year old base ball fanatic in 1971, and was blown away by what he did in that World Series
https://youtu.be/-WnfqgOsR6A
I also agree with the previous poster who mentioned Dwight Evan's arm. The best I ever seen in person