Baseball has been filled with great pitchers who started their careers with average performances and slowly developed over the course of several seasons. But for a select few hurlers, success came quickly. Here's our look at the best first-year pitchers in baseball history.

If you were trying to win a championship this season, would you rather have youthful talent? Or seasoned experience? Consider a roster of players age 25 and younger vs. a roster of veterans age 35 and older. Here’s my 25-man roster of players who were age 25 or younger on Opening Day (April 4). Next week, I’ll showcase the veterans.

Texas Rangers