They'll have a similar record to previous years, but with their best player on the sidelines. If their best player is playing, they'll be better than before since the players around him are better than the past few years.
Baseball isn't a one man sport like basketball. In ARod's 3 years in TEX, the Rangers never won more than 73 games while ARod had 8+ bWAR seasons each year with 156 HR, 395 RBI, 1011 OPS and played 161+ games each year.