Tino Martinez believes this Yankee will be the catalyst in 2019"He's going to be the surprise guy that people don't realize they have"3/31/2019, 5:27 PMMar 30, 2019; Bronx, NY, USA; New York Yankees third baseman DJ LeMahieu (26) hits a double during the ninth inning against the Baltimore Orioles at Yankee Stadium. Mandatory Credit: Gregory J. Fisher-USA TODAY Sports / Gregory Fisher