William "Cannonball" Jackman (October 7, 1897 – September 9, 1972) was an American

baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding tea ...

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

in the

Negro leagues The Negro leagues were United States professional baseball leagues comprising teams of African Americans and, to a lesser extent, Latin Americans. The term may be used broadly to include professional black teams outside the leagues and it may be ...

. He played from 1925 to 1942 with several teams, including a spot on the otherwise all-white East Douglas team in Massachusetts's amateur Blackstone Valley League in 1929, a squad which also featured 18-year-old newcomer

Hank Greenberg Henry Benjamin Greenberg (born Hyman Greenberg; January 1, 1911 – September 4, 1986), nicknamed "Hammerin' Hank", "Hankus Pankus", or "The Hebrew Hammer", was an American professional baseball player and team executive. He played in Major Leagu ...

. At age 55, Jackman received votes listing him on the 1952 ''

Pittsburgh Courier The ''Pittsburgh Courier'' was an African-American weekly newspaper published in Pittsburgh, Pennsylvania, from 1907 until October 22, 1966. By the 1930s, the ''Courier'' was one of the leading black newspapers in the United States. It was acqu ...

'' player-voted poll of the Negro leagues' best players ever."1952 Pittsburgh Courier Poll of Greatest Black Players"
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References

External links

an
Baseball-Reference Black Baseball stats
an
Seamheads
1897 births 1972 deaths Brooklyn Eagles players Newark Eagles players Baseball players from Texas People from Edwards County, Texas 20th-century African-American sportspeople Baseball pitchers {{Negro-league-baseball-pitcher-stub