I've given the initials for each of the 47 players in question, rather than the years, because this one would probably be too tough otherwise. Seriously, some of these people are not exactly the kind of players you expect to see in the DH spot. But you should be able to get 35 of these, without too much bother. As usual, last names only are fine.
Your Saturday Sporcle: Designated Diamondbacks
Since we're in the unfamiliar land of the DH, let's see how many of the Diamondbacks to have filled that role you can remember.