Definition of subgroup. 1  1 : a subordinate group whose members usually share some common differential quality. 2  2 : a subset of a mathematical group that is itself a group.
Anchor Jen Leigh, who replaced Sierens on the 11 p.m. newscast, will replace Sierens on the 5 and 5:30 newscasts. Anchor Stacie Schaible, who has been with WFLA since 2000, will co-anchor the 4 and 6 p.m. newscasts. WFLA Vice President of News Bill Berra says Sierens leaves behind big shoes to fill.
Spencer's promotion is just the latest in a long line of changes at ABC's morning show. Earlier this month, Live! With Kelly and Michael co-host Michael Strahan joined GMA as a part-time contributor, following former anchor Josh Elliott 's departure for NBC Sports. And in December, weatherman Sam Champion left to take a position at the Weather Channel.