5:57 PM ET
Oakland is the second-oldest at 30.10, based on opening-day rosters, the commissioner’s office said Friday. Washington is next at 29.84, followed by Colorado (29.59), Texas (29.58) and World Series champion Boston (29.53).
Among the teams with the lowest averages were the Chicago White Sox (27.57) and Baltimore (27.79).
The overall major league average of 28.92 was up from 28.91 on opening day last year.