Wesneski allowed three runs on five hits and two walks while striking out four over seven innings in a no-decision versus the Giants on Monday.
Smith went 3-for-4 with a solo home run, a second RBI and two total runs scored in Monday's 6-3 extra-inning win over the Giants.
Liranzo (finger) was activated from the 7-day injured list July 28.
Correa (ankle) has been cleared to hit off a tee, Matt Kawahara of the Houston Chronicle reports.
Burrows (elbow) will make a rehab start for Triple-A Sugar Land on Friday, Brian McTaggart of MLB.com reports.
Diaz is absent from the lineup for Monday's game in San Francisco.
The Astros claimed Velazquez off waivers from the Cardinals on Monday, Brian McTaggart of MLB.com reports.
The Astros designated Whitcomb for assignment Monday, Brian McTaggart of MLB.com reports.
The Astros claimed Velazquez off waivers from the Cardinals on Monday, Brian McTaggart of MLB.com reports.
Varsho went 1-for-3 with a two-run home run in Sunday's 7-2 loss to the Padres.
