Well he is a 2.6 ERA/12.91 K/2.6 BB/2.13 FIP/2.61 SIERA/3.9 WAR --thus far.
Not sure where is the worry my friend LOL!
Also,We have XB, JBJ, Peddy and Mookie, for what? at least 4 more years?
Drew Pomeranz at a glance ladies and gentlemen.
IPs/ERA/FIP/SIERA/K9/BB9/HR/FB/GB%
2014 69/2.35/3.77/3.62/8.35/3.39/10.4/45.7%
2015 86/3.66/3.62/3.73/8.58/3.24/9.3/42.2%
2016 102/2.47/3.18/3.75/3.2/10.15/3.62/8.8/47.8%
Seriously guys, he is arguably a No 1-2 type pitcher and in Red Sox standards he is an ace.