Need to photoshop a water polo ball into this old photo from the South Side

Some more “Pittsburgh People”!Title : South Side Open Air PoolCreator : Pittsburgh City PhotographerDate : August 27, 1924Identifier : 715.245452.CPDescription : A view of a group photo of men (possibly lifeguards) at the South Side Open Air Pool.Subject : South Side (Pittsburgh, Pa.)Source : Pittsburgh City Photographer Collection, 1901-2002.