Both Richard Sherman AND cops suffered gnarly injuries during the NFL star's arrest last week ... new police photos, obtained by TMZ Sports, show.
In the pics, taken by law enforcement after cops say they were involved in a massive struggle to arrest the NFL player on July 14 ... you can see Sherman and cops were bloodied in the alleged scuffle outside of Sherman's in-laws' home in Redmond, Wash.
Some of the pics show Sherman had a big gash on his foot that needed to be closed with stitches.
In other photos, you can see one officer had a big scrape on his shoulder .