Western Bulldogs president Peter Gordon has bucked the recent trend of rival club presidents and urged ASADA to withdraw its show cause notices against 34 former and current Essendon players owing to a compromised investigation process.

"In my view, the appropriate cause of action is for ASADA to withdraw those show cause notices," Gordon told ABC radio on Friday.

Pointing to the emergence this week of a leaked email trail between the AFL and ASADA in which the regulatory body appeared to agree to, then renege on, a deal to exonerate the players from any possible wrongdoing, Gordon suggested that the cumulative issues with the 16-month investigation meant that the players should be freed from uncertainty.

"I think the most important revelations this week have been that some form of agreement came out between the AFL and ASADA,'' He said. "To me the relevant point is: Was there an understanding that was said to the players?