Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

1982 — Jimmy Connors def. John McEnroe, 3-6, 6-3, 6-7 (2), 7-6 (5), 6-4. 1981 — John McEnroe def. Bjorn Borg, 4-6, 7-6 (1), 7-6 (4), 6-4.