Simplify the following text for a Grade 9 native English-speaking person.
Original: Miller made his second debut for the club on 30 July 2008 in a UEFA Champions League qualifier against FBK Kaunas , who he played during his first Rangers debut .
Simplified: Miller made his second debut for the club on 30 July 2008 in a UEFA Champions League qualifier gainst FBK Kaunas .