The 30-year-old striker partners Martyn Waghorn in attack for City against Barnsley today after his international clearance issues were resolved earlier this week.
Vassell scored six goals in 22 England appearances under Sven Goran-Eriksson and will be eager to repay the City manager's faith in him after a relatively unsuccessful spell in Turkish football.
Be sure to follow Foxes-Mad for a full match report on today's Championship clash at Oakwell.