For the most part we are ignoring last year. As a 40% of a season featuring 90% of the talent it usually does, it's just hard to take anything from it. We wouldn't normally subscribe too much to two months worth of games. Really it's just past the marker I use (Memorial Day) where we should pay attention to them at all. But it IS past that marker so given that what did the Nats see last year that is probably going to have some relevance. I'll use BABIP as a jumping off point
HIGH BABIP HITTERS (likely to regress)
Andrew Stevenson .464
Jake Noll .462
Two of the Nats 2020 surprises were the old prospects Noll and Stevenson showing some life. Some even thought about giving Stevenson a real chance in the OF. FOOOOOOLLLLSS! These are mirages.
Juan Soto .363
Trea Turner .353
These are both on the high side. Trea though is not a usual player. He utilizes his speed to get more hits than one would assume and .353 is not unusual for him. As for Soto this is high for him and looking at his hard hit percentages and hit type percentages - I don't see a good reason for a 50 point jump so a regression is probably likely. But don't be overly concerned here. There is some reason to think combining more hard hits than 2018 and fewer FBs than 2019 would raise his BABIP and dropping his K% would also raise his average. I'm just assuming .320ish rather than .350.
LOW BABIP HITTERS (likely to improve)
No one still on the team. But MAT (.217) could have a nice little year for KC. I'd be ok with that. Didn't look at the underlyings here though because again - not on the team
HIGH BABIP PITCHERS (likely to improve)
I'm not bothering talking about names like Seth Romero and Paolo Espino here. If you are going off 6IP to judge anything, I can't help you. Alot of Nats also had high end BABIPs which might say something about the Nats defense more than the Nats pitching and note going in here the defense is not better and might be worse
Patrick Corbin .362
Max Scherzer .355
Nats fans would love to jump on this to expect bounce back years and these numbers are big reasons why the xFIP ERAs for these guys are lower. However I'll note that they both had very good LOB%s while having issues striking out as many guys. They could get better but the chances for a complete turn around just by the coin flip going their way in 2021 is unlikely. I'm most concerned for Max who after a monster run in 2016-2018 has shown marked decreases in the stats you care about. Age comes for everyone.
Will Harris .353
Another one of interest who could get better BUT his xFIP was actually worse than his ERA. Why? His walk rate exploded and homer rate went up as well. It'll be nice to see that BABIP go down but if you are walking a ton of guys you are getting a lot on with out BIP so BABIP doesn't matter. He needs to get that control back.
LOW BABIP PITCHERS (likely to regress)
Erick Fedde .233
Remember last post when I said Fedde has improving results but not improving stats? He arguably hasn't pitched much different since showing up in the majors and it's not that his ERA was unlucky early on. He also had a good LOB% last year too. The HR/FB is bad. The soft hit % is bad. He's walking too many and giving up too many homers while not striking out enough. Last year he was saved by the timing and location of what was hit off him and still he had an ERA well over 4.00. That can't keep happening. Everything here screams he can't hack it.
Daniel Hudson .205
Ok the good news is Hudson probably won't actually get worse than his 6.10 ERA at least if he gets back to normal. His GB% was absurdly low, well below his usual. His HR/FB rate was higher than normal. His LOB rate was on the low end. There's more pointing right to counteract this pointing wrong. BUT know that 2019 was also a weird year for him positively. Really he's a 4.00-4.50 ERA type and assuming things get normal this year that's what we should see. Given no big drop in FB speed and the vagaries of relief IP in a short year that would be my bet. Better but never again like 2019. Luckily the Nats have Harris and Hand and don't need Hudson to be great.
Tanner Rainey .129
And a 96.2% LOB Rate! Last year Rainey had to roll boxcars twice in a row and did it. There are a couple things saving Rainey here though. One is that this didn't translate into the 2.00 ERA it might have. He was at 2.66 so the regression shouldn't be as noticable. Next is he improved his K rate and his BB rate, which are again things outside what BIP related stats will show. There's a sense he'll only drop a little but that's based on the idea of a normal HR rate. Rainey has always been homer prone so seeing last year is not something that should get better. I'd expect something in the 3.50 range unless he keeps improving with Ks and BBs. So expecting Rainey to be dominant is probably too much. But again Harris and Hand.
One thing we see here is let's say Hand is very good. Deservingly with an under 3.00 ERA. Let's say Harris gets back more toward 2019 and I'm right about Rainey and Hudson. You have a great closer, two 3.50 guys (Rainey and Harris) and a 4.25 guys (Hudson). The Nats are missing in planning that set-up guy but the vagaries of the bullpen means someone could find it for this year and fill that spot. Also you have 4 guys deep at least before you get into "oh this guy could blow up this year and be terrible" Now that's ALWAYS true but I wouldn't say that about any of the top 4, and really that only leaves one more relief guy who will pithc major innings if the Nats can help it. Healthy, this pen is not great but it seems solid.
Another thing - these were just guys on the team last year. We talked about how Schwarber had a low BABIP (I think we did) and should improve in general as a hitter (I know I said that) for various reasons. Bell was neutral. Lester? also pretty neutral.
One thing I worry about is the Nats bench. Harrison was ok but is only a year older. Stevenson could be bad. Garcia is a wild card. Avila is not good. If Zimm shows rust. It could be ugly.