Three early photos. First is circa 1910-15 and features four Michigan ballplayers with some gear.
Second is circa 1915. It is the Carpenter Co. baseball team and fans loaded unto a very heavy duty Gramm Motor Co. truck. I love this one! The Gramm Co. would custom make any cab design to fit their chassis. They were all different and some pretty weird. Notice the chain drive to the rear wheels.
This last is an earlier one from the 1890's. The catchers mitt the player is holding looks to be a Harry Decker design(aka Anna Burns Decker) from 1895. It may be one of the three piece mitts that was held together by lacing that wrapped around the perimeter band. Also, what is the piece of equipment at the players feet. Could that be a Redmond "funnel" mitt?