抱歉 再用舊聞囉嗦一下
即使是Doc也要練新球路

"When I was talking to Roy, he said, 'I've never had a change-up that I've felt comfortable with,' " Dubee said. "So I said, this is what we're doing with Kyle, being a sinker-ball guy, take the two-seam grip and spread your fingers."

It worked.

只是Doc這顆轉速更低 速度也比較慢的變速球 在記錄的時候大多還是歸類在splitter
當初要教陳的洋將可能少講了這一段