Carson Smith recorded his fourth straight scoreless rehab appearance for Triple-A Pawtucket on Saturday.

Smith pitched the eighth inning. He induced two groundouts and one flyout.

Six of his seven rehab outings for Pawtucket have been scoreless. He hasn't allowed a hit in four of the seven outings.

He has recorded six strikeouts and walked two.

He reached 92 mph with his fastball Sunday like he did in his previous outing, per Providence Journal's Bill Koch.

Carson Smith works a 1-2-3 8th -- 5-3, F7, 5-3. Fourth straight scoreless appearance, 10-6-2. Fastball topped at 92, four sliders. #PawSox — Bill Koch (@BillKoch25) August 26, 2017

Smith -- who underwent Tommy John surgery May 24, 2016 -- threw 10 pitches, six for strikes.

The righty has a 2.00 ERA and 0.98 WHIP in 82 career outings (81 innings). He has averaged 11.6 strikeouts per nine innings compared to 2.9 walks.

Smith's fastball averaged 92.9 mph in 2015 and 93.7 mph in 2014, per fangraphs.com.