The phrase "sophomore season" refers to the second year of something, typically a sports player's second year in a league or a TV show's second season. Full definition
A good sophomore season would increase his first pro contract well beyond what he would be offered this year. (sbnation.com)
If that misbegotten sophomore season of True Detective gave us anything, it was the notion that Vaughn's mid-to-late-career move would be to edge toward darkness. (rollingstone.com)
Darnold is 6» 4, 225 pounds and entering his redshirt sophomore season with the Trojans. (sbnation.com)