PITTSBURGH — Through two starts this season, Pirates left-hander Steven Brault has done pretty much all the club could have asked for out of a last-minute spot starter.

Brault worked out all spring as a starting pitcher, but was pretty sure that he was going to end up in the bullpen this year, and that’s what happened — for all of one outing.

Now back in the rotation due to Joe Musgrove’s shoulder strain, Brault has made two starts, gone five innings in both of them, has allowed five runs (4.50 ERA) and the Pirates have been in position to win both games, the second of which after Brault battled Cubs veteran lefty Jon Lester to a draw on Wednesday before the bullpen imploded.

“Starting is a little bit different,” Brault said after his first start in Pittsburgh. “Everybody knows that. But I think as long as I’m getting there, I’m attacking, I’m OK with. Usually, if I look back on a start, the things that piss me off are if I let up on a pitch and it gives up a hit.”

For Brault, that hasn’t happened a whole lot with his primary offerings, as his two-seamer (.230 batting-average against) and four-seamer (.190) have both been tough to hit. If there’s been an issue, it’s that he hasn’t been in the strike zone enough with those pitches.

Brault currently has a 12.3 percent walk rate, which would be his highest figure for a full season at any level. With him throwing one of his two fastballs about 65 percent of the time, I took a look at his fastball command to see if there’s been a change.

Here’s where Brault’s pre-2018 pitches in the majors ended up, from the catcher’s perspective:

So it looks like his fastball, for the most part, was on the outside of the zone or out of the zone, away to right-handers and inside to left-handers. Here’s 2018:

His hot spot has moved to low and inside on right-handers and low and away on left-handers. But when you look at where Brault gets his swings and misses, which is the most desirable outcome, it usually comes when his fastballs are out of the zone high.

When he gives up ground balls, the second most desirable outcome, it’s usually on pitches low and away to right handers and inside to lefties.

Brault hasn’t been hit particularly hard yet, so it doesn’t seem that the change in location has made him more hittable, but it does seem that he’s living off the plate in a place that’s much less likely to result in either a strike or soft contact.

He has been able to minimize damage after giving up walks, something he said he was happy about. But Brault has shown through the minors to be able to have pretty precise command. It seems as if this is more of an intentional change in strategy that’s resulting in more walks than it is wildness. If that’s the case, it should be correctable.

That’s a good thing for Brault, because outside of the walks, most of this numbers look pretty good. His strikeouts are up from his 2017 numbers, his home runs are down, as are his batting average against and his WHIP. His ERA- is 92 — pretty good for a No. 5 starter. That’s a good thing for Brault, because that’s exactly what he wants to be.

“I want to be a starter,” he said. “A lot of people do, not everybody does. It’s definitely something that fits my repertoire and my mentality. It’s something I want, to establish myself in the starting rotation. I would love it to be here, now. Obviously, that’s not really how it works. We’ll see what happens. But yeah, all clichés aside, yes, I would love to be a starter.”

The last hurdle for Brault will be extending and getting deeper into games. He hadn’t thrown more than 4-plus innings before his first start of the year, so he hasn’t been fully stretched out yet, but at some point, if he’s going to stay in the rotation, he’ll have to go deeper than five innings.

“It’s funny because when you’re a starter and you’re built up and you’re ready for 105, 107 pitches, then 80 pitches would be like, ‘Oh, this is nothing. Can’t wait to go seven,’” he said. “(In my first start), I was like, ‘Oh man, that’s a lot of pitches.’”

But Brault’s path through the bullpen to the majors — unusual for some but apparently the Pirates new preferred modus operandi — has helped prepare him for that process.

“I think you kind of have to learn how to face big-league hitters first,” he said. “As a starter, if you come in and you just get hit around, one, it hurts your confidence and makes fans think that you suck, which sucks, and then two, you can’t necessarily get the same effect, where they can kind of control when you get into the game. I think there’s something to be said for it.”

The Pirates haven’t announced their rotation for the home series against Colorado that starts next week. Brault’s turn will come back around on Monday in the first game of that series. Musgrove still hasn’t begun to throw, so he remains at least a couple weeks away from a return.

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