GOLFERS (2) and SONG and BASKETBALL TEAMS (3) and TENNIS PLAYERS (2) and ????? (2) and ANTONYMS (2; A & B)
Rearrange the letters in the name of GOLFER A (first and last name) to get ???? B and ANTONYM A.
The last name of GOLFER B contains the fourth word of the SONG in sequential order; the unused letters rearrange to form a member of BASKETBALL TEAM A (generic).
GOLFER A's name (first and last) contains ANTONYM B in sequential order.
TENNIS PLAYER A was born in the city where BASKETBALL TEAM A plays.
Replace a letter in TENNIS PLAYER A's first name with the letter that precedes it in the alphabet, and his first name would rearrange to BASKETBALL TEAM B.
Change the seventh letter in TENNIS PLAYER B's first name, and her first name would end in BASKETBALL TEAM C.
TENNIS PLAYER B's last name is ???? A.
Both TENNIS PLAYERS won gold medals in the city where BASKETBALL TEAM B plays.
The SONG's performers played in the same city as BASKETBALL TEAM C.
Change a letter in ANTONYM A to get the unknown category.