"He threw the ball really well," manager Ned Yost said. "A really good curveball, good fastball. Spotted it early. The last inning, he got a little erratic with it but ... "
Duffy's recovery from his Tommy John surgery over a year ago is continuing to go well. This was the best of his seven rehab starts for Double-A Northwest Arkansas and Omaha. His totals in the seven games: 25 2/3 innings, 6.31 ERA, 18 runs, 30 hits, 13 walks and 29 strikeouts.
Right-hander Felipe Paulino was fine on Wednesday after throwing a bullpen session on Tuesday and is expected to resume his Minor League rehab assignment soon. He's also coming back from Tommy John surgery, but was recalled because of a minor back ailment.
Dick Kaegel is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.