Top 10 sustainable breakthroughs

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For these breakthroughs, I considered:

• Players who were no longer rookies to start 2014.

• Players who either established a substantially higher level of performance, or who established themselves as everyday players/mid-rotation starters when they were previously part-time or extra players.

While many other players had apparent breakouts this year (e.g., Josh Harrison), these 10 players all have had breakouts that I believe are sustainable into future seasons. I picked five starters and five position players.