The Essex-born marksman is one of just two strikers left at the club after Leon Best completed a deadline-day switch to Newcastle, with Clinton Morrison the other.
Eastwood has struggled of late with a knee injury but he trained fully on Thursday and should be okay.
Whether he is included in the starting XI to face the Robins is a different matter altogether with manager Chris Coleman opting for a 4-5-1 formation in the past two games.
Midfielder Aron Gunnarsson is okay to feature despite being substituted during last weekend's 1-1 draw against Blackpool shortly after being caught in the face by Brett Ormerod's arm.
Returning centre-back Ben Turner has aggravated his ankle again but should return sooner rather than later, while Marcus Hall trained on Thursday and fellow full-back Jordan Clarke is also now running.