Solve the puzzle for a clue to open your box

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Across
  1. 3. First African American major league baseball player.
  2. 6. The short stop recently acquired by the Padres.
Down
  1. 1. Basketball became a ______ sport in 1936.
  2. 2. The first female player drafted into the NBA.
  3. 4. The creator of basketball.
  4. 5. Argentina defeated France to win this tournament.