With less than two weeks until the start of spring training, most organizations have already extended invitations to their non-40-man-roster players.

Besides providing an opportunity for players to fine-tune their skills against more advanced competition, spring training offers prospects the chance to make a strong impression in front of the entire organization.

This year's crop of non-roster invitees includes many of baseball’s top prospects, including Byron Buxton, Kris Bryant and Carlos Correa. However, they aren’t the only prospects expected to open eyes this year in major league camp.

Here's a look at seven non-roster prospects who will have huge springs.

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Spring training is just around the corner, with pitchers and catchers set to report to camp sometime between Feb. 19 and 23, depending on the team, and position players arriving the following week.

But even though the start of the season draws closer every day, there are still several unanswered questions that, once answered, are sure to have a major impact on the 2015 season.


Who will sign Yoan Moncada?

The sweepstakes for Cuban phenom Yoan Moncada intensified this week after the 19-year-old was cleared to negotiate and sign with any big league club.

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All 30 MLB teams emphasize building from within and cultivating their own homegrown talent. A lot of it has to do with payroll, as small-market teams are forced to get the most out of their controllable young assets, while big-market teams can afford to deal prospects and spend big in free agency

It's not always related to a market issue, though. For example, the St. Louis Cardinals continue to have more homegrown big league talent than anyone despite a relatively large payroll. Meanwhile, the Oakland Athletics have a somewhat small payroll to work with, but they're also thin on homegrown players.

What follows is a look at all 30 MLB teams ranked from worst to first on homegrown talent as we get set the start of spring training.

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Even though prospects such as Joc Pederson, Andrew Heaney and Aaron Sanchez are expected to earn spots on their respective teams' Opening Day rosters, a majority of the game's top-ranked young players won’t begin the 2015 season in the major leagues.

In most cases, prospects who fail to make the initial 25-man roster lack significant professional experience or a clear path to consistent playing time at the highest level—or ones that simply don’t need to be added to the 40-man roster quite yet.

But when will these nearly MLB-ready prospects be ready for a call-up?

In order to determine which players are likely to receive early-season promotions, we decided to stay away from guys who are projected to open the year in the major leagues and instead focus on prospects seemingly on the verge of a call-up heading into the season.

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The Arizona Diamondbacks made a splash this offseason with the high-profile signing of Cuban outfielder/third baseman Yasmany Tomas, the biggest name on the international market.

Tomas, 24, inked a four-year deal worth $68.5 million, making him the second-highest-paid Cuban player in baseball behind Boston’s Rusney Castillo.

Naturally, there are high expectations for Tomas, who is making the jump directly to the major leagues and being asked to play a new position (we’ll get to that in a bit).

Given the number of Cuban players to make an impact in recent years—and there are more on the way after Tuesday’s news that MLB has adjusted the signing process for Cuban players—and the money saved on their contracts through team-friendly deals, all signs point to Tomas becoming a star player in the big leagues. Right?

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Not every successful major league player is a former top prospect. Typically, it’s the high-profile, high-ceiling players who typically garner the most hype as they ascend the organizational ladder.

One of the more rewarding aspects of scouting is identifying young players who, despite flying under the radar or underperforming early in their careers, have considerable room for improvement and showcase the potential to be impact players in the major leagues.

With that being said, here’s a look at seven prospects who will improve the most in 2015.

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Major League Baseball’s offseason is winding down, and before we know it pitchers and catchers will start reporting for spring training.

With that timeline in mind, most general managers are still trying to plug holes on their respective rosters or at least build depth in anticipation of position battles during spring training.

Teams are usually reluctant to break camp with young, inexperienced prospects on the big league roster—especially if they’re not already on the 40-man roster. Instead, they prefer to send them to Double- or Triple-A for a few more months of seasoning and to avoid an extra year of arbitration down the road.

However, there are numerous prospects who will have an opportunity to make an Opening Day roster in 2015, if all goes as planned, and spend the entire season in the major leagues.

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It’s never too early to start looking at the MLB draft.

This year's class is especially deep on the mound, with college pitchers such as right-hander Mike Matuella (Duke), right-hander Kyle Funkhouser (Louisville), righty Walker Buehler (Vanderbilt) and left-hander Nathan Kirby (Virginia) expected to come off the board early in the first round. Prep left-handers Brady Aiken, Kolby Allard and Justin Hooper are also in the mix.

However, impact hitters once again are few and far between in this year's class, as shortstop Brendan Rodgers and middle infielder Dansby Swanson (Vanderbilt) represent the top prep and college bats, respectively, and will likely be selected within the top 10 picks.

But with that said, endless changes are guaranteed in the class’ player rankings between now and June, as countless names will fall out of consideration and be replaced by other up-and-coming draft prospects.

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The signing of free agent Max Scherzer to a seven-year, $210 million contract improved the Washington Nationals’ starting rotation from arguably the best to undoubtedly the best in baseball.

The Nats will enter the 2015 season with three No. 1 starters in Scherzer, Jordan Zimmermann and Stephen Strasburg, with Gio Gonzalez, Doug Fister and Tanner Roark “filling out” the staff. However, the Scherzer signing also led to speculation that the Nats now might be more inclined to trade from their pitching depth.

Jon Morosi of Fox Sports tweeted that Washington would be willing to deal either Zimmermann or Strasburg if they landed Scherzer, which makes sense, as Zimmermann is set to become a free agent after the 2015 season and likely to command a monster free-agent contract, while Strasburg is set to follow in his footsteps the following year.

But there’s one other major reason the Nationals seemingly are willing to consider dealing young talents such as Zimmermann and Strasburg: They have baseball’s top pitching prospect in 20-year-old right-hander Lucas Giolito.

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Earlier today Prospect Pipeline completed our rankings of every organization’s top-10 prospects for the 2015 season. Now, it's now time to go back and break down every club's No. 1 prospect in the form of a team-by-team ranking.

In preparation for spring training as well as our official list of the top 100 prospects for the upcoming season, we’ve put together a tentative ranking of each team's best prospect heading into 2015. Some of the scouting notes for each player have been derived from his original scouting report.

Here are our rankings of the top prospect for all 30 MLB teams entering 2015.