Plymouth Argyle have played Merthyr Town 20 times in competitive football, winning 12, drawing 6 and losing 2, first meeting on 18 Dec 1920 and most recently on 15 Feb 1930. Every meeting is listed below.
| Date | Season | Competition | Venue | Opponent | Score | Scorers | Att |
|---|---|---|---|---|---|---|---|
| 18 Dec 1920 | 1920–21 | Third Division | A | Merthyr Town | 0–0 | ||
| 1 Jan 1921 | 1920–21 | Third Division | H | Merthyr Town | 2–1 | ||
| 19 Nov 1921 | 1921–22 | Third Division South | H | Merthyr Town | 0–0 | ||
| 26 Nov 1921 | 1921–22 | Third Division South | A | Merthyr Town | 1–0 | ||
| 9 Sep 1922 | 1922–23 | Third Division South | H | Merthyr Town | 2–0 | ||
| 16 Sep 1922 | 1922–23 | Third Division South | A | Merthyr Town | 1–0 | ||
| 29 Dec 1923 | 1923–24 | Third Division South | H | Merthyr Town | 1–1 | ||
| 5 Jan 1924 | 1923–24 | Third Division South | A | Merthyr Town | 0–1 | ||
| 6 Dec 1924 | 1924–25 | Third Division South | A | Merthyr Town | 2–1 | ||
| 11 Apr 1925 | 1924–25 | Third Division South | H | Merthyr Town | 2–0 | ||
| 14 Nov 1925 | 1925–26 | Third Division South | A | Merthyr Town | 1–1 | ||
| 27 Mar 1926 | 1925–26 | Third Division South | H | Merthyr Town | 3–0 | ||
| 23 Oct 1926 | 1926–27 | Third Division South | A | Merthyr Town | 1–5 | ||
| 12 Mar 1927 | 1926–27 | Third Division South | H | Merthyr Town | 1–1 | ||
| 27 Aug 1927 | 1927–28 | Third Division South | H | Merthyr Town | 5–0 | ||
| 14 Jan 1928 | 1927–28 | Third Division South | A | Merthyr Town | 4–1 | ||
| 25 Aug 1928 | 1928–29 | Third Division South | H | Merthyr Town | 4–0 | ||
| 29 Dec 1928 | 1928–29 | Third Division South | A | Merthyr Town | 2–2 | ||
| 12 Oct 1929 | 1929–30 | Third Division South | H | Merthyr Town | 2–1 | ||
| 15 Feb 1930 | 1929–30 | Third Division South | A | Merthyr Town | 3–0 |
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