Final answer:
Playing moneyball refers to a data-driven approach to building a competitive sports team on a limited budget, using advanced analytics to find undervalued players.
Step-by-step explanation:
When a team is said to be playing moneyball, it means they are utilizing a data-driven approach to assemble a competitive team despite a limited budget. This strategy involves using advanced analytics and statistical analysis to evaluate players and make decisions, finding value in players that other teams may overlook. The term originated from the book 'Moneyball: The Art of Winning an Unfair Game' by Michael Lewis, which described how the Oakland Athletics' front office, led by Billy Beane, successfully competed against wealthier teams by adopting this unconventional approach.