They are eligible for next year's draft if they don't make the playoffs.
Also, there's a bit of karma at play here. Note how those are all even years. Cleveland had the worst record in baseball in 1991, 1987, 1985, and 1971, but didn't get first overall pick because of the league alternation rule that was in place until 2007. (And was the reason the Tigers had the #2 pick in 1990 and 2004)