undercard

noun

1. A list of minor or supporting contests printed on the same bill as the main event (primarily fighting or racing, such as the main fight at a boxing match or wrestling, horse or car racing, etc.), occurring before or after the main event.

   “Phil Foden can hardly be called a member of Manchester City's undercard given his consistent brilliance, but his precious value was underlined again with a show of dazzling brilliance against Aston Villa.”

2. The events so listed.
3. A card lower than another given card or pair.

   “The eight on the turn was another undercard to her pair of nines”

4. The supporting candidate on a ticket, such as vice president.