Southampton said they are "disgusted and disappointed" aft defender Kyle Walker-Peters suffered racist maltreatment online connected Sunday.
Offensive remarks were posted successful the comments of the 25-year-old's week-old Instagram station aft his side's goalless draw with Manchester United.
The nine person forwarded the messages acrophobic to Hampshire Police.
Southampton besides contacted constabulary successful February 2021 aft midfielder Alex Jankewitz was racially abused online.
In a statement, the nine expressed their annoyance astatine societal media platforms' inability to resoluteness the problem.
It said: "More than 2 years on, we find ourselves successful the nonstop aforesaid position: disgusted and disappointed successful the behaviour of those online who little themselves to abusing players for the colour of their skin.
"What is arsenic frustrating is the deficiency of meaningful enactment successful those 2 years from the societal media platforms who let specified hatred to breed and fester."
A racist word was directed astatine full-back Walker-Peters successful effect to a remark astir United substitute Alejandro Garnacho.
Winger Garnacho appeared to beryllium successful symptom aft a situation by Walker-Peters successful the closing stages of the crippled astatine Old Trafford.
Two years ago, Swiss Jankewitz, present 21, was the unfortunate of racist maltreatment aft being sent disconnected during Saints' 9-0 distant decision by United.
Southampton said the nine "fights each day" to region abusive radical successful bid to support unit and fans who "celebrate" diverseness successful football.
"We tin lone anticipation that they yet wage attraction to what continues to beryllium a large occupation and that we bash not find ourselves repeating these words successful different 2 years' time," the connection added.