Scout high on Walker Lockett, who he says could be sleeper candidate for Mets' 2020 rotationLockett was acquired during the offseason from the Indians7/26/2019, 4:00 PMJun 20, 2019; Chicago, IL, USA; New York Mets starting pitcher Walker Lockett (61) delivers against the Chicago Cubs during the first inning at Wrigley Field. Mandatory Credit: Kamil Krzaczynski-USA TODAY Sports / Kamil Krzaczynski