Rickey Henderson and Robin Yount , two of MLB's 29 historical 3,000-hit men, were on the stage of the Juniper Ballroom in the Aria Hotel on Friday, reminiscing about their careers in an installment of a lecture series that is a featured part of Tony La Russa's 4th Annual Leaders & Legends weekend to benefit the Pets for Vets program of his Animal Rescue Foundation (ARF).