The White Sox have purchased the contracts of outfielder Stefan Gartrell and right-handed pitchers Brandon Hynick, Brian Omogrosso and Sergio Santos from Class AAA Charlotte and right-hander Santo Luis from Class A Winston-Salem. With the moves, the White Sox 40-man roster is at 37.
Santos’ numbers might not stand out, but he’s touched 97 mph while pitching in the Arizona Fall League over the past month and has shown improvement
“Sergio has a plus arm, and he’s someone who is drawing attention out there,” said Kirk Champion, the White Sox Minor League pitching coordinator.
Champion also said Santos’ slider is around the plate more than when he first transitioned and he has an outstanding changeup.
Mayo has the Rule 5 Draft order. The Sox have the 13th pick.