One last thing about E-rod. Forget about his stats and just remember how many times he couldn't get past the 5th inning because of his consistently high pitch count.
Ryu began his career in MLB in 2013. These are Ryu's lifetime stats: 62-37W/L, 2.95ERA, and 1.158WHIP. Those are stats worthy of a #1 starter.
Btw, E-rod's W/L is 56-32. Very misleading.
E-rod's W/L record wouldn't be as good as it is if the SOX weren't scoring a bunch of runs when he starts. This guy should never be confused with the word ACE.