Well, an unexpected result. Looking for info on something I got today I came across this.
https://cdnc.ucr.edu/cgi-bin/cdnc?a=...-txIN--------1
hopefully the link works. While it's not baseball it is an important sports event. It's a photo and short article about a fatality during an Army football game in 1909. The photo taken just before the player was killed during a play. That prompted the rest of the season for Army to be cancelled.