1. What team name is a common word when spelled backward?

METS

2. What team name becomes a regular word when a vowel is added to its end?

EXPOS/EXPOSE

3. What team name can become the name of a state if its last letter is changed to a different letter?

INDIANS/INDIANA

4. What team name remains a word regardless of whether one, two, three, or four letters are removed from its end?

RANGERS

5. What team name becomes palindromic if its first and last letters are dropped?

BREWERS

6. What team name becomes a word when its first and last letters are dropped but NOT when only its first letter is dropped?

PIRATES/IRATE

7. What team name becomes a word if a letter is added to its end and its initial letter is dropped?

PHILLIES/HILLIEST

8. What team name's first five letters, spelled backward, form a commmon word?

DEVIL RAYS/LIVED

9. What team name's last five letters, spelled backward, form a common word?

ASTROS/SORTS

10. What team name, spelled backward and with a space added, forms two words that are each at least three letters long?

YANKEES/SEEK/NAY

11. What team name can be anagrammed to form the nickname of another team?

CUBS/BUCS, a nickname for the Pirates.

12. What six team names of six or more letters can be anagrammed to form at least one common word?

ANGELS (ANGLES, GLEANS), ASTROS (ASSORT, ROASTS), GIANTS (SATING), PADRES (DRAPES, PARSED, RASPED, SPARED, SPREAD, and the less common SPADER) PIRATES (PARTIES, PASTIER, TRAIPSE, and the less commmon PIASTER and PIASTRE), and RANGERS (GARNERS).

BONUS QUESTION: Which two have at least five anagrams each? (For one of them, two of the anagrams are uncommon.)

PADRES and PIRATES