Red Sox manager Alex Cora said Tuesday that Mata (elbow/lat) was pulled off his rehab assignment after experiencing soreness following his Sept. 10 appearance, Christopher Smith of MassLive.com reports.
Mata (lat/elbow) will begin a minor-league rehab assignment with Triple-A Worcester on Tuesday.
Mata (elbow/lat) played catch Friday, Alex Speier of The Boston Globe reports.
Mata (elbow/lat) was transferred to the 60-day injured list Friday.
Mata (lat) was returned from his rehab assignment with Triple-A Worcester Friday, retroactive to July 15, after experiencing right elbow inflammation during an appearance Sunday, Chris Cotillo of MassLive.com reports.
Mata (shoulder) is scheduled to throw 2-to-3 innings for Triple-A Worcester on Sunday, Jen McCaffrey of The Athletic reports. A decision on his activation will occur afterward.
Mata (shoulder) allowed one unearned run on two hits and two walks while striking out two over 2.1 innings for Triple-A Worcester on Tuesday.
Red Sox manager Alex Cora said Saturday that Mata (shoulder) felt good after his rehab start Thursday, and the right-hander will start again for Triple-A Worcester on Tuesday, Mac Cerullo of the Boston Herald reports.
Mata (shoulder) will have his rehab assignment transferred to Triple-A Worcester this week, Peter Abraham and Alex Speier of The Boston Globe report.
Mata (hamstring/shoulder) struck out two over two scoreless innings in his rehab start Sunday with Double-A Portland. He gave up one hit and hit another batter with a pitch.