Pros and Cons: Should the Yankees sign free agent Dallas Keuchel?The Yankee killer is on the open market, but is he worth going after?11/17/2018, 4:00 PMOct 16, 2018; Houston, TX, USA; Houston Astros starting pitcher Dallas Keuchel (60) walks off the mound after the third out in the first inning of game three of the 2018 ALCS playoff baseball series against the Boston Red Sox at Minute Maid Park. Mandatory Credit: Troy Taormina-USA TODAY Sports / Troy Taormina