Answered June 29th, 2019

With a pair of homers on Saturday, Nelson Cruz (who will turn 39 years-old on Monday) is the oldest player to hit 15+ HR before the All-Star break in Twins team history.

Who is the oldest Twins player with 15 HR in a season before the All-Star break?
Interpreted as:
Who is the oldest Twins player with 15 or more HR in a season before the All-Star break?