Donald Joseph Ecker (born March 9, 1986) is an American professional baseball coach.
During his time with CCB, Ecker helped lead his teams to three COLT World Series titles along with mentor future major league players Kris Bubic, James Outman and Trevor Larnach.
In 2015, the St. Louis Cardinals of MLB hired Ecker to work in player development, a position he held for three years.
[10] The San Francisco Giants hired Ecker as one of their two major league hitting coaches prior to the 2020 season.
Prior to the 2025 season, Texas removed his bench coach duties for him to focus solely on the offense.