William McKinley "Sug" Cornelius (September 3, 1906 –October 30, 1989) was an American baseball pitcher in the Negro leagues. He played from 1929 to 1946 with several teams, playing mostly with the Chicago American Giants. He played in several East-West All-Star Games.

References

External links

• Biography portal
• Baseball portal

• Career statistics and player information from Baseball Reference and Baseball-Reference Black Baseball stats and Seamheads