Diaz (shoulder) pitched a scoreless inning Sunday for High-A Brooklyn and could return from the 15-day injured list as soon as Tuesday, Anthony DiComo of MLB.com reports.
Advice: A report from earlier in the week suggested Diaz could return Wednesday or Thursday, so DiComo's report bumps up his potential return by a day. Catcher Francisco Alvarez (thumb) is also tracking toward a potential return from the IL on Tuesday.
Rotowire.com
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