Complex sentence: Masterson is best known for his role as Steven Hyde in "That' 70s Show" (1998--2006) and as Jameson "Rooster" Bennett in "The Ranch" (2016).
Split into simpler sentences: Masterson is best known for his role as Steven Hyde in "That' 70s Show" (1998--2006). His most recent television work was as Jameson "Rooster" Bennett in "The Ranch" (2016).