Editor's note: This is part of a series of Rangers player outlooks for the offseason. SportsDay Rangers insider Gerry Fraley breaks down how each player did in 2017 and what to expect going forward.RONALD HERRERAPosition: Right-handed starting pitcherSize: 5 feet 11, 185 poundsOpening day age: 22How acquired: Obtained from the New York Yankees on Nov.