deep bench
n.— «But then there’s his sister Ophelia, who took his place. “She’s probably not going to be there very long, but the Ford’s have a deep bench as they say in sports.” Joe Ford has an unscathed reputation as a Shelby County Commissioner. His son, Joe Ford Jr., ran and lost for Congress.» —“Ford family struggles cause some to weigh its future” by Kontji Anthony WMC-TV (Memphis, Tennessee) Apr. 26, 2007. (source: Double-Tongued Dictionary)