As well as the headline-grabbing addition of Sebastien Bourdais and Alvaro Parente for the fourth round of the Superleague Formula series at Estoril in Portugal, there has been a raft of other driver and team transfers in the football club-based single-seater championship.
The arrival of Bourdais at Seville has meant Esteban Guerrieri makes his third move of the season, after winning for Al Ain earlier in the series, and he now drives the Olympiacos car in place of Davide Rigon.
Another major move comes at Roma, where Franck Perera returns - having set pole position for the club at Estoril last season - in place of Jonathan Kennard.
Ho Pin Tung has moved to Galatasaray after his place at Atletico Madrid was taken by the series' first female racer Maria de Villota. PSV Eindhoven has also changed its driver, with Dominick Muermans benched after his incident-packed Donington Park races. He has been replaced by fellow Dutchman Carlo van Dam.
There has also been a team switch, with the Flamengo car driven by ex-Formula 1 racer Enrique Bernoldi now run by Azerti, rather than ADR.