It used to be a drag writing about the Tigers system due to a lack of both depth and intriguing prospects. That is no longer the case and the Tigers have a solid Top 10 list and the depth is beginning to expand throughout the system.

Click here for the pre-season Top 10

1. Matt Manning | RHP | A+ —> I know the consensus has Mize ranked first but Manning has proven himself more — and at a higher level. His stuff also screams No. 2/3 starter if he can solidify an average third pitch, which will likely be the changeup. He has a great pitcher’s frame and should chew up lots of innings while flashing his mid-to-upper-90s heat and plus curveball. He’s also athletic and should eventually have better-than-average command and control.

2. Casey Mize | RHP | DNP —> Mize has the stuff to be a top-of-the-rotation arm with his fastball, slider and splitter but his frame isn’t quite as ideal as Manning’s and he may have to watch his weight as he matures. There are also some injury concerns with Mize, including a previous forearm strain, which is often a precursor to Tommy John surgery (although he passed his physical with Detroit). Like Manning, Mize has shown athleticism and should move quickly.

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Let’s take a look at the Triple-A pitching leaderboards for five who could get an unexpected call up, either to fill an August need or when rosters expand to 40 in September. By the way, no one who has already appeared in the majors this year will be included here. Sorry, Adam Plutko (1.82 ERA, 0.73 WHIP)!

Josh James | HOU | 25 years old, 3.38 ERA, 1.02 WHIP, 27% K-BB in 77 IP

James didn’t make Eric Longenhagen’s Houston prospect list this preseason, but he’s been the king of Carson Cistulli’s Fringe Five series this year, appearing on the list 10 times. The Astros have used the same five starters all year so none of their minor leaguers have gotten a shot, but Lance McCullers Jr. just hit the disabled list. He could be back before they need a fifth starter, but keep James in mind should a longer-term slot open up.

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Once known for having a strong pitching assembly line, the Twins organization now has a strong pipeline for hitters, while the pitching depth has diminished. The system also got stronger — with some pitching additions — at the trade deadline.

Click here for the pre-season Top 10

1. Royce Lewis | SS | A+ —> There is a lot of pressure and expectation that comes with being selected first overall in the draft. Lewis, though, has both the skill and the make-up to handle the assignment — as he’s shown to date. Just 19, he’s blown through the lower levels of the minors and looks ready for a double-A assignment to begin the 2019 season, which would put him in the majors later that year or in 2020 at the age of 21. He has a mature approach at the plate with great coverage and should hit for average, power and rack up lots of steals.

2. Alex Kirilloff | OF | A+ —> For a lot of prospects, a missed year of development would be a huge hurdle to overcome. For Kirilloff, well, he barely batted an eye. After missing the 2017 season, he’s come back from injury to hit .347 while showing plus power potential. He doesn’t walk a ton because he makes such good, hard contact so that’s perhaps his biggest opportunity with the bat but he also doesn’t strike out a lot for someone that projects to hit 20-30 homers. Just 20, he should open 2019 in double-A.

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A strong 2018 draft significantly improved the Royals system – which was light on arms. The focus on college arms gives the system a much needed rebalancing and should allow some prospects to move quickly. The Royals previously focused on raw, toolsy hitters and pitchers but just haven’t been able to find a winning formula for developing those types of players.

Click here for the pre-season Top 10

1. Brady Singer | RHP | DNP —> Those who believe in Singer, sees a top-of-the-rotation arm with the potential for three solid offerings. His fastball works in the mid-to-upper 90s and both his slider and changeup flash potential at times but are inconsistent. He also has the strong frame necessary to be an innings-eater but there are some minor injury concerns given his heavy college workload and a failed physical that wiped out an agreement the Jays had with Singer when he was drafted out of high school.

2. Jackson Kowar | RHP | A —> Kowar has an excellent fastball-changeup combo and an excellent pitchers frame. His breaking ball(s) needs improvement to be an average offering. A tall, thin pitcher, Kowar the makings of an excellent pitcher’s frame once he adds a little more weight/muscle. There is mid-rotation potential here — especially if he continues to mature and add some ticks to his heater while ironing out the breaking ball.

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The Diamondbacks have a solid system with some interesting players within the top 10-15 prospects in the system. But overall, the organization lacks depth.

Click here for the pre-season Top 10

1. Jon Duplantier | RHP | AA —> There is no denying Duplantier’s potential but the checkered medical sheet is worrisome, and the big right-hander (who attended Rice University, which has a reputation for misusing pitchers) has missed a significant chunk of 2018 due to injury. When he’s right, Duplantier shows three above-average offerings, has a great pitcher’s frame and induces a ton of ground-ball outs. There is No. 2/3 starter potential here if he can stay on the field long enough to polish his skills.

2. Daulton Varsho | C | A+ —> I’ve been a huge fan of Daulton since the D-Backs nabbed him with the 68th overall selection in the 2017 draft. He doesn’t have the strongest arm for a catcher but he makes it work and should be able to stick behind the plate (He’s caught 34% of base stealers so far this year). At the plate, Varsho shows the ability to hit for both average and power — and displays his athleticism on the base paths with above-average base running (15 for 18 in steals). He could be ready for The Show in late 2019 or early 2020.

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It’s time for the bi-weekly look at under-the-radar pitching prospects. As a reminder, here is what the rankings are and aren’t:

Are

• A supplement to Eric’s and Kiley’s prospect rankings. This set utilizes stats, age, and some regression to find potential overlooked prospects before they start showing up on major prospect lists.

Aren’t

• A complete list of every prospect. Some will be missed. I don’t care as I’m digging for one-offs. The most likely reason for not being on the list is they haven’t performed, not played much (major factor), or have graduated to the majors. Major league results are also not included.
• The order doesn’t matter at all, at least to me. Why one person is #8 over some guy at #14 compared to other lists is irrelevant. These top prospects are already owned in most leagues. I feel the order only matters to desperate fan bases looking for some much-needed hope.

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This continues to be a stacked system with both high upside prospects and lots of depth. The organization is building from the ground up and seem to have a strong plan in place.

Click here for the pre-season Top 10

*Amendment: This post was written and submitted prior to the Francisco Mejia deal (and I was on vacation). He would have fallen fifth on the list behind Luis Urias. Mejia could easily be a No. 1 prospect in some organizations but not San Diego, which is stacked with talent. The downside to this prospect is that he may not be a catcher in the long run and, while he doesn’t strike out a ton, he’s too aggressive at times and doesn’t always give himself the best pitch to hit or the best count to hit from. If he can make adjustments there, he will hit for average in the Majors and has 15-20 home run potential.

1. Fernando Tatis Jr. | SS | AA —> Much like Vladimir Guerrero Jr. with Toronto, Tatis Jr. is a legacy prospect who is very advanced for his age. While the former possesses a plus-plus hit tool with modest future projections on his body and defence, the latter is known more for his plus power with an athletic frame and strong defensive potential. I like Tatis Jr. a little better long term but the swing-and-miss tendencies are a little worrisome but further maturation could temper that to a more reasonable level. There is all-star upside here.

2. MacKenzie Gore | LHP | A —> If he were pitching in the Yankees, Dodgers or Red Sox system, Gore would probably be a better known name as one of the Top 5 arms in the game. He’s a lefty with the potential for four above-average offerings and he has great size. Command and control both have the potential to be plus. He also receives strong marks for makeup. There is No. 1 starter potential here if he can stay healthy — and the organization has so far been handling him with kids’ gloves.

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The Giants minor league system entered the year as one of the weakest due to the absence of impact talent and an overall lack of depth. And things have only gotten worse with quite a few disappointing performances. The one real bright spot was acquiring a strong talent in the draft with the club’s first round selection.

Click here for the pre-season Top 10

1. Joey Bart | C | SS —> Bart has transitioned OK to pro ball. After spending a little time in rookie ball, he moved up to the more age-appropriate short-season Northwest League where six of his 11 hits have gone for over the fence for a home run. On the down side, his BB-K or 2-17 in pro ball leaves something to be desired. He’ll need to tighten up his approach as he moves up the organizational ladder.

2. Heliot Ramos | OF | A —> Ramos had an outstanding debut as a 17 year old in 2017 but he’s struggled in low-A ball due to an inconsistent approach at the plate. Even his bat speed has looked slower at times. The good news is that he’s still just 18 so he has lots of time to develop further. He was a hot commodity as a trade target in the off-season but the Giants considered him all but untouchable.

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The Dodgers are said to be big players for Baltimore’s Manny Machado but this system isn’t as deep as it used to be due to promotions, trades, etc. A couple of so-so drafts in a row have not helped, either.

Click here for the pre-season Top 10

1. Alex Verdugo | OF | AAA —> With most organizations, Verdugo would be a starting outfielder — and would have been since the beginning of the year. With the Dodgers, though, he’s a handy player to have at triple-A to fill in for injuries. He’s an extremely advanced hitter for his age, as witnessed by his .352 average, and he rarely gives away an at-bat. The biggest knock on him is the modest power output (which is more a result of his all-fields approach than a lack of strength).

2. Keibert Ruiz | C | AA —> I’ve been leading the bandwagon on Ruiz for a couple of years now but, as he finally starts to get the attention he deserves, he’s having a down year with the bat. Now to be fair, he’s 19 and playing in double-A. Even with being a little overmatched he’s only struck out 20 times in 251 at-bats. Like Verdugo above, this switch-hitter has an uncanny knack for making contact, which can sometimes work against him if he doesn’t wait for a good pitch to hit (as he’s learning right now). Defensively, he needs some polish but should be able to stick behind the plate.

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When I wrote the system up in the winter, it felt like it was starting to thin out after last year’s trades and recent MLB promotions. That’s not the case, though. The Astros have some of the best pitching depth in baseball, with a few potential everyday hitters sprinkled in.

Click here for the pre-season Top 10

1. Kyle Tucker | RF | AAA —> The Astros have recently promoted this 21-year-old outfielder after he produced excellent triple-A numbers. With Marwin Gonzalez under-producing in his walk year, this move will give the Astros a spark while also auditioning Tucker for a full-time gig in 2019. There will be some growing pains in ’18 if he sticks around but he has 20-20 (HR-SB) upside.

2. Forrest Whitley | RHP | AA —> Between a suspension and injuries, 2018 has mostly been a lost year for the Astros’ top pitching prospect. When he’s pitched, though, he’s continued to look like a potential top-of-the-rotation arm.

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