Gathering some 40 images from the 1930s through 1970 as well as related press cards, invitations, tear sheets and the like, the museum started to plan the exhibition with Vyarawalla's input last year.
Ulvaeus had previously been sceptical about the idea of becoming a museum piece while still alive, and a previous plan to open a permanent exhibition failed in 2008.
He is scheduled to throw off a mound again Tuesday, and Collins said the plan is for Santana to pitch every five days once exhibition games start in March.