Simplify the following text for a Grade 10 native English-speaking person.
Original: On the day Ferrari announced Stepneyâ s dismissal , the team also announced it had taken action against `` an engineer from the Vodafone McLaren-Mercedes team '' , later named as Mike Coughlan .
Simplified: The same day Ferrari fired Stepney , they announced taking action against an engineer from McLaren , later named as Mike Coughlan .