Team athletics colorado rockies jersey shirt med

Good used condition. There is a stain on the from and there is 2 stains on the back. There are 4 pulls in the fabric on the front. There is no brand tag or size tag. It looks like a mens medium. Measurements laid flat are armpit to armpit 20", armpit to bottom of shirt 14.5", neck seam to end of sleeve 13", total length 25". Message me with any questions