Question: In 1932, the Portsmouth Spartans appeared in the league championship game, the first playoff game in NFL history, losing to the Chicago Bears 9–0, the History of the Detroit Lions, a professional American football franchise based in Detroit, Michigan, dates back to 1929 when they played in Portsmouth, Ohio as the Portsmouth Spartans, and is currently in their which number season?
Sentence (from "History of the Detroit Lions"): Currently in their 88th season, they are one of the National Football League's oldest franchises.
Relevant evidence: Yes