Christian Dietz

The provided articles focus on the selection of referees for the 2026 FIFA World Cup, which will be held in the USA, Mexico, and Canada. Notably, only one German referee, Felix Zwayer (44), has been selected for the tournament. The articles highlight that FIFA is sending a larger referee contingent (52 referees) than for the previous World Cup in Qatar (36 referees) due to the expanded format of the tournament, which will feature 104 matches. While Felix Zwayer will be officiating on the field, a German video assistant referee (VAR) has also been selected. The articles do not mention anyone named Christian Dietz. Therefore, based on the provided information, Christian Dietz is not relevant to the news being reported.