Why do Michigan fans say go blue?

Why do Michigan fans say go blue? Moss of Midland claimed to have invented and introduced the “Go Blue” cheer at a U-M baseball game in the spring of 1947. He says the cheer was picked up at Michigan football games the following fall, and thus was history made. — Adapted from “Rhapsodies in Blue,” by James Tobin.

Moss of Midland claimed to have invented and introduced the “Go Blue” cheer at a U-M baseball game in the spring of 1947. He says the cheer was picked up at Michigan football games the following fall, and thus was history made. — Adapted from “Rhapsodies in Blue,” by James Tobin.