That is my biggest off-season fear. Morrow is going to go Justin Wilson on us. Little bit of apples to oranges...Wilson has thrown at least 58 innings each of the last five years, his effectiveness just disappeared down the stretch for us. There's no reason to believe Morrow won't be effective when healthy, but keeping him healthy is a huge question mark. If I had to bet on 2018 WAR/WPA between those two, I'd pick Wilson. Of course, if we're relying on either of them to get into October, we've got bigger issues. Right now we're projected to win the division by 7 games, and that's with Chatwood and Monty as the 4 and 5 starters, and Strop as our fourth best reliever. Obviously this is based on the more primitive projection systems at this point. To Maddux's point above, load up on relievers on relatively cheap/short term deals, see what ends up sticking early in the year rather than having to pay a huge premium come July to lock in your October bullpen.