Portsmouth sign Johnny Ertl, Darel Russell and Josh Thompson

Portsmouth have completed the triple signing of Johnny Ertl, Darel Russell and Josh Thompson on one-month deals.

Austria international Ertl, 29, was released by Sheffield United in May while fellow midfielder Russell, 31, was let go by Preston.

Defender Thompson, 21, parted company with SPL side Celtic this summer and featured for Pompey during their pre-season campaign.

Meanwhile, Portsmouth defender Sami Magri has joined Premier League QPR .