Mets' Noah Syndergaard says he might need Dr. Phil's help with sliderSyndergaard called his outing in 7-4 win vs. Rockies 'disappointing'9/19/2019, 12:30 AMSep 18, 2019; Denver, CO, USA; New York Mets starting pitcher Noah Syndergaard (34) pitches against the Colorado Rockies in the first inning at Coors Field. Mandatory Credit: Isaiah J. Downing-USA TODAY Sports / Isaiah J. Downing