What league’s officials do NOT use whistles? in Wikipedia

1.  Gigantes del Cibao
bands, flags, horns, whistles and chants. In his short time the Gigantes have achieved quality players and presence in the major leagues. Players like: Jose…
https://en.wikipedia.org/wiki/Gigantes del Cibao

2.  Deaths in 2020
who played in first League Cup final dies Former Zambales governor Vic Magsaysay passes away Morreu Sarah Maldoror, uma pioneira do cinema africano (in…
https://en.wikipedia.org/wiki/Deaths in 2020

3.  Bill McGunnigle
baseball, but it was allowed by officials in Warwick, Rhode Island for games at the Rocky Point Resort. When the New England League was re-formed in 1892, McGunnigle…
https://en.wikipedia.org/wiki/Bill McGunnigle

4.  Timeline of American women in war and the U.S. military from 1945 to 1999
S. Coast Guard: Jo Wildman. BM2 Kathy Niles was the first woman in the U.S. Coast Guard to qualify on the 47-foot MLB (47200). First woman in the U.S
https://en.wikipedia.org/wiki/Timeline of American women in war and the U.S. military from 1945 to 1999