Reno, Nevada —— Entering play on Thursday night, Arizona Diamondbacks utility infield prospect Jack Reinheimer is slashing .282/.343/.370/.714 with 11 doubles, four home runs, 29 walks, and 52 strikeouts over 305 at-bats with the Triple-A Reno Aces across 84 games in 2017. I observed the 24-year-old East Carolina University product in a June 19-20 series against the Las Vegas 51s in Reno; below is Baseball Census‘ full Jack Reinheimer scouting report, including video.
Jack Reinheimer Scouting Report — Video
Our video of Arizona Diamondbacks infield prospect Jack Reinheimer comes from nine at-bats he had over those two late June games against Las Vegas from the open-face as well as behind the plate:
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Jack Reinheimer Scouting Report — Notes
Well-balanced and compact at the plate, Jack Reinheimer’s swing is designed to spray line drives line to line. He does a decent job of going the other way as he’s pitched, and he has enough bat speed and pitch recognition to turn on stuff inside on his hands (though I wouldn’t consider his bat speed above average). He handles the bat well and has decent contact skills, though, as evidenced by his ability to hit for average despite little power the last two years in the Pacific Coast League. There’s a limited amount of projection left in his body, and so he likely won’t grow into very much power over the next few years. His likely role (more on that below) doesn’t call for it anyways, though, so as long as he handles himself at the plate and sprays line drives, he’ll be just fine without significant pop.
In the field, Reinheimer came up with the Arizona Diamondbacks as a shortstop, but now that he’s been in the upper minors the past several seasons, he’s increasing versatility across the infield and in corner spots of the outfield. A decent athlete with OK footwork and an above-average arm, he’s an ideal candidate to play across the diamond as a utility infielder off the bench. Adding outfield work to his resumé ought to only improve his versatility, too—especially on a National League roster. A polished product of a major college baseball program, Reinheimer is a good find and an ideal fringe prospect/organizational depth piece: if he gets a cup of coffee or more in The Show, he’ll make it count, and if he doesn’t, he’s a low-risk Triple-A roster option.
Jack Reinheimer Scouting Report — Projection
Surprisingly, Jack Reinheimer finds himself on the Arizona Diamondbacks top 30 prospects list per MLB Pipeline, though that may say more about the relative lack of depth in the system than it does his own personal future. I can’t envision a ceiling for Reinheimer that will be higher than that of a utility infielder, or a super sub who can play some outfield, too. This year or next, he could well carve out a limited role like that for himself in the big leagues and get at-bats off the bench at a variety of spots. His decent contact skills will help him with irregular at-bats, but he’s primarily a singles hitter who will function best as a defensive whiz and offer little by way of offensive firepower in his stints.
The Arizona Diamondbacks added him to their 40-man roster ahead of this, his fifth professional season, and so that could work in Jack Reinheimer’s favor if an injury pops up in The Show or the club decides to go a different direction on the bench. He’s doing everything he should be doing in Triple-A now as he waits for that call. He’ll take some good swings at the plate, his mature approach almost always has him working professional at-bats, and he hits his fair share of line drives—all nice offensive assets for a guy who is going to live as the last man off the bench if/when he reaches the big leagues.
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