Teng (undisclosed) has struck out five and has given up three earned runs on five hits and one walk over 6.2 innings over two appearances for Triple-A Sacramento since being reinstated from the 7-day injured list July 28.
Teng, who was placed on Triple-A Sacramento's 7-day injured list July 7 with an unspecified injury, made a rehab appearance Friday in the rookie-level Arizona Complex League, giving up four earned runs on five hits and one walk while striking out two over 1.2 innings.
Teng was optioned to Triple-A Sacramento on Saturday, Alex Pavlovic of NBC Sports Bay Area reports.
The Giants recalled Teng from Triple-A Sacramento on Friday, Maria I. Guardado of MLB.com reports.
The Giants optioned Teng (oblique) to Triple-A Sacramento on Monday, Susan Slusser of the San Francisco Chronicle reports.
Teng (oblique) will throw a live batting practice session Saturday, Susan Slusser of the San Francisco Chronicle reports.
The Giants announced Wednesday that Teng will miss at least the first 2-to-3 weeks of spring training with a left oblique strain, Alex Pavlovic of NBC Sports Bay Area reports.
The Giants added Teng to their 40-man roster Tuesday.
Teng was promoted from Double-A Richmond to Triple-A Sacramento on Saturday.
Teng has a 2.63 ERA, 0.96 WHIP and 36 strikeouts in 24 innings across six starts for Double-A Richmond.