Rust scored a goal on two shots in Saturday's 4-3 shootout win over the Sharks.
Rust scored a goal on four shots in Wednesday's 3-2 overtime loss to the Red Wings.
Rust (lower body) was activated off injured reserve Friday, per the NHL media site, which sets the stage for him to play in this evening's game against Washington.
Rust (lower body) was a full practice participant Wednesday and could return during the Penguins' road trip, Penguins play-by-play announcer Josh Getzoff reports.
Rust (lower body) will be with the Penguins for their three-game road trip, Seth Rorabaugh of Tribune-Review Sports reports Monday.
Rust (lower body) skated on his own before practice Saturday, Penguins insider Dan Potash reports.
Rust (lower body) was placed on injured reserve Tuesday.
Rust (lower body) won't play Tuesday versus Minnesota and is considered week-to-week, Michelle Crechiolo of the Penguins' official site reports.
Rust (lower body) didn't practice Monday and is still being evaluated, per Michelle Crechiolo of the Penguins' official site.
Rust scored a power-play goal on six shots and added an assist in Wednesday's 6-5 overtime win over the Sabres.