MLB.com

His peripheral stats, however, show even greater cause for optimism. Duffy’s strikeout-walk ratio zoomed from 1.92 in 2015 to a career-best 4.48; likewise, his strikeouts per nine innings increased from 2015 to a career-best 9.4, all while trimming his walks and hits per inning (WHIP) to 1.14. ................
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