Sports Legendary Indy 500 announcer Bob Jenkins might not be at Sunday’s race as he fights brain cancer May 26, 2021Dana Hunsinger Benbow, Indianapolis StarComments Off on Legendary Indy 500 announcer Bob Jenkins might not be at Sunday’s race as he fights brain cancer Jenkins, who has worked at IMS since 1979, revealed what his 3-month battle with brain cancer has been like. And what he will miss from this Indy 500.