Mariners expected to call up former Mets prospect Justin DunnDunn was traded to Seattle as part of the Edwin Diaz/Robinson Cano deal9/9/2019, 8:10 PMJul 7, 2019; Cleveland, OH, USA; American League pitcher Justin Dunn (6) delivers in the second inning in the 2019 MLB All Star Futures Game at Progressive Field. Mandatory Credit: David Richard-USA TODAY Sports / David Richard