The first instance we have a sending off of a Liverpool player is in 1901. That doesn't rule out, a LFC player being sent off earlier than that. Red cards were first introduced into the football league in 1976, 8 years after its introduction by FIFA. The card was scrapped in England in 1981, but reinstated in 1987.
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We've got all the results from official games, appearance stats, goal stats and basically every conceivable statistic from 1892 to the present, every single line-up and substitutions!