Modern umpiring has made it tough on guys who work that age level. Back in the day, if you were going to help out on a minors or majors game, you'd grab some leggings and a "biscuit" from the shed. If you happened to have a cup too you were very well protected indeed as you worked over the catcher's shoulder. But then the league bought a bunch of inside protectors and trainers taught us to work the slot. That's when working those games got painful.
Oh, well, such is progress. But wear a cup!