Penrith are taking legal action against News Corp Australia following a Daily Telegraph back page story on Friday regarding Sandor Earl's time with the NRL club.
Canberra winger Earl was issued with an infraction notice by the NRL on Thursday after admitting using and trafficking the banned CJC-1295 peptide when interviewed by ASADA officials earlier this week.
"Panthers are very disappointed with the inaccurate and misleading story in today's Daily Telegraph," a club statement said.
"Panthers have been cooperating; including providing receipts for what the club believes is legitimate treatment of the player.
"Panthers are very disappointed with the inaccurate and misleading story in today’s Daily Telegraph," a club statement said.
Definitely not up to the standard of their usual inaccurate and misleading stories.
It takes someone with the guts of a Gus Gould to stand up to the intimidation of Rupert Murdoch and News Ltd. Sadly, there aren't many people around with that much character. The vast majority are gutless squibs.