| Joe Nealon | |
| Position: | First baseman |
| Width: | 150px |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 15 December 1884 |
| Birth Place: | San Francisco, California, U.S. |
| Death Place: | San Francisco, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 12 |
| Debutyear: | 1906 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | September 6 |
| Finalyear: | 1907 |
| Finalteam: | Pittsburgh Pirates |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .256 |
| Stat2label: | Hits |
| Stat2value: | 240 |
| Stat3label: | Runs batted in |
| Stat3value: | 130 |
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James Joseph Nealon (December 15, 1884 – April 2, 1910) was a professional baseball player. He was born in San Francisco, and died in San Francisco, at the age of 25.
He was a first baseman over parts of 2 seasons (1906–1907) with the Pittsburgh Pirates. In his rookie season in 1906, he tied for the National League lead in RBIs with 83 with Harry Steinfeldt. The next year, he contracted tuberculosis, ending his baseball career.[1] He subsequently died of typhoid pneumonia at the age of 25.[1]
In 259 games over two seasons, Nealon posted a .256 batting average (240-for-937) with 111 runs, 31 doubles, 20 triples, 3 home runs, 130 RBI, 26 stolen bases and 76 bases on balls. Defensively, he recorded a .983 fielding percentage as a first baseman.