Featherweight rankings, May 1991

Computed retroactively from today’s data and formula; not the lists as published then.

Boxerbook rating at the end of May 1991: 1. Rafael Ruelas, 2. Marcos Villasana, 3. Park Yong-kyun.

Boxerbook rating

11 boxers met the list thresholds at the end of the month. μ ± RD; arrows show the move since the end of April 1991. How it works

1943 ± 161–

1869 ± 111–

1866 ± 151–

1838 ± 122–

1802 ± 146–

1775 ± 156–

1717 ± 119–

1691 ± 136–

1663 ± 130–

1531 ± 96new

1527 ± 151▼1

Boxerbook’s archive of the publishers’ lists starts in 2026, so there are none for May 1991.