In 'ASANO clan record' MORI troops was recorded as 50,000 so that it is possible to think that Hideyoshi requested relief columns based on this number of the initial stage of information.
『浅野家文書』には毛利軍5万人と記されており、秀吉は初期情報のこの数字を元に信長の援軍を請求した可能性が存在する。