Perdiccas was one of the generals who held a subordinate command under Eumenes

Eumenes

Eumenes of Cardia was a Thracian general and scholar. He participated in the wars of the Diadochi as a supporter of the Macedonian Argead royal house.-Career:...

 in the war against Antigonus

Antigonus I Monophthalmus

Antigonus I Monophthalmus , son of Philip from Elimeia, was a Macedonian nobleman, general, and satrap under Alexander the Great. During his early life he served under Philip II, and he was a major figure in the Wars of the Diadochi after Alexander's death, declaring himself king in 306 BC and...

, 321 BC. He was preparing to desert to the enemy, when Eumenes became apprised of his project, and sent Phoenix

Phoenix of Tenedos

Phoenix was a native of Tenedos, who held a high rank in the army of Eumenes, 321 BC. In the great battle fought by the latter against Craterus and Neoptolemus, the command of the left wing, which was opposed to Craterus, was entrusted to Phoenix and Pharnabazus, and composed principally of...

against him, who surprised his camp in the night, took him prisoner, and brought him before Eumenes, who caused him to be put to death.