As arbitrary mathematical endpoints go, game 32 of the major league season marks about one-fifth of the year gone by, and it’s time to start thinking about what could be going better.

That’s not to say that any statistics based on 100 at-bats should be validated, and that’s actually the point.

This edition of five stats that stand out highlights five regression candidates for the Orioles with 130 games to go — good and bad — and which aspects of their performance just don’t seem to be jibing with what’s expected. [All stats courtesy of FanGraphs and MLB Statcast.]

6.8 — In last year’s league-leading home run season, Orioles slugger Mark Trumbo had a 24.6 percent home run/fly ball rate. This year, it was down to 6.8 percent after 32 games — almost one-third of last year’s rate — which goes a long way to explain his power drought this year. It’s not that simple, as according to FanGraphs, his hard-contact rate is down over 10 percent. And while he isn’t near the top of the leaderboard this year, his 91.5 mph average exit velocity isn’t that far down from last year’s mark of 92.7 mph. So it’s bound to even out to, if not his career HR/FB rate of 18.7 percent, then the league-average of 10 percent.

41.2 — On the flip side, there’s no way Trey Mancini can reasonably keep hitting home runs at the rate he is. Through 32 games, 41.2 percent of his fly balls have been home runs. Last year’s leader among qualifiers, Ryan Braun, settled at 28.8 percent. This year’s leader is prolific New York Yankees outfielder Aaron Judge at 44.8 percent. But just as he has his entire minor league career — fair or unfair — Mancini might have to continue to do it before he shows himself able to sustain it.

.361 — First baseman Chris Davis might not outwardly look like he’s overperforming, but his .361 batting average on balls in play (BABIP) through 32 games indicates he was actually fortunate to be hitting .239 at that point. The league-average BABIP typically settles around .300, and Davis, however volatile he can be from year to year, has a career mark of .315.

.250 — On the flip side of that, there’s one Oriole whose batted ball data indicates he shouldn’t be performing as poorly as he has been: shortstop J.J. Hardy. Not only was his .250 BABIP one-fifth of the way through the season almost 30 points lower than his .277 career mark, but using Statcast data on expected weighted on-base average (xwOBA) based on batted ball profile versus a player’s actual wOBA, Hardy’s wOBA should’ve been 27 points higher as well.

.222 — Definitely Manny Machado’s , too. His .222 BABIP at the 32-game mark would be by far the worst of his career, as he was averaging a .306 BABIP on his career and hasn’t had a year below .293, which came in 2012, his rookie year.

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