Why Astros-Giants made a trade involving pitcher Kai-Wei Teng originally appeared on The Sporting News. The Houston Astros called up the San Francisco Giants and came away with an additional right-handed pitcher. AdvertisementAdvertisement AdvertisementOn Thursday, the Astros acquired Kai-Wei Teng from the Giants in exchange for minor league catcher Jancel Villarroel, according to The Athletic. Teng is 27 years old and could make a run at a starting pitching gig in 2026. MORE: Paul Skenes has added a new pitchIn return, the Giants got the 21-year old Venezuelan catcher Villarroel.