 Complete the following phrase:  In January 2019, Sauber announced the team would rename to Alfa Romeo Racing, but unlike BMW Sauber, the ownership, Swiss racing licence and management structure would remain unchanged. Alfa Romeos challenger for the season was the C38, continuing the naming convention from previous Sauber Formula One cars. The C38 included unique aerodynamic design elements in comparison to its rivals and predecessors, particularly at the front of the car as a result of regulation changes for the new season. 2007 world champion Kimi Räikkönen and former Sauber reserve driver Antonio Giovinazzi were hired as the teams drivers. Giovinazzi briefly led the Singapore Grand Prix for four laps, the first Alfa Romeo driver to lead a lap since Andrea de Cesaris did so at the 