Steroid creams are pretty rare and it is mostly used to heal skin rashes. In professional sports, it is illegal to take performance enhancement drug as it is a form of cheating. This should serve as a warning to prospective athletes who contemplate steroid use.
source: http://www.freaksgeeksandstrangegirls.com/archives/90
Types of Steroid Creams Used by Athletes
Topical testosterone creams are the most used cream for sports athletes to apply. It is very cheap compared to orally ingested steroids as the latter requires heavier consumption. Androgel is a part of cream steroids but it is not as popular as topical testosterone.
source: https://nationaleczema.org/eczema/treatment/topicals/
Effects:
Steroid creams are not as good as injectable and orally ingested ones since you have to stay undressed for 30 minutes to allow drying of the steroid cream. However the effect of steroid creams are strong because it focused on a specific body area when applying.