| Personal information | |||
|---|---|---|---|
| Full name | William Mercer | ||
| Date of birth | 14 March 1896 | ||
| Place of birth | Preston, England | ||
| Date of death | 1975 | ||
| Playing position | Defender | ||
| Senior career* | |||
| Years | Team | Apps† | (Gls)† |
| 1919-1924 | Preston North End | 113 | (0) |
| 1925 | Blackpool | 1 | (0) |
| – | Lancaster Town | ||
| – | Boston Town | ||
| * Senior club appearances and goals counted for the domestic league only. † Appearances (Goals). |
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William "Billy" Mercer (14 March 1896 — 1975) was an English footballer. He made over 100 Football League appearances for Preston North End.