Sleeper picks can sometimes make or break a fantasy baseball team's season, especially as the 2015 MLB season is quickly coming to a close. As the wear and tear of the long season continues to impact every team in MLB, it is important to find the right players performing admirably at the right time.

Today's late-season pickups feature former All-Stars, emerging young talents and veterans showing new life. Here are five players to keep an eye on as your fantasy baseball team begins a new week.

While some ball boys/girls have trouble with slow grounders, there is no doubt this San Diego Padres ball girl can field her position.

In the bottom of the eighth inning of Sunday's 5-3 Phillies win at Petco Park, Padres outfielder Matt Kemp smoked a line-drive foul down the left field line. Just as the liner was about to make its way into the stands, the ball girl made a nice leaping grab.

With just a quarter of the 2015 MLB regular season left to go, let's take a look at B/R's All-MLB team at this point of the campaign. 

Over the next few slides, we'll identify the very best of the best at each position. 

In some cases, like with Bryce Harper, Buster Posey and Josh Donaldson, the decision was clear-cut. Those players have been the top guys at their respective positions for all of 2015 and deserve recognition for their achievements. 

Ride a hot streak or plan ahead? Roster management is no easy task for fantasy baseball players fighting for positioning down the stretch.

This late into a trying, often frustrating season, many gamers have developed a quick hook for struggling options. There's no time to patiently wait for a star to get his act together, especially when alternatives are catching fire on the waiver wire.

Then again, streaks hot or cold don't last forever. There's nothing worse than a guy heating up for someone else after spending months tolerating his doldrums.

Hall of Famer Randy Johnson played in the league for 22 years, eight of which for the Arizona Diamondbacks. He won a World Series with the club in 2001.

On Saturday, the Diamondbacks retired his No. 51, and they made the Big Unit a 51-inch corndog. That's a lot of calories, but he deserves it after an epic career. Eat up, Randy!

Sunday Funday is about to commence. In order to make sure the fun continues after fantasy baseball ends, DraftKings owners will need to build a balanced lineup.

Of all the aces operating on Sunday, none can take Max Scherzer's spot as the top DraftKings selection.

While the alternatives face tough matchups, the National League Cy Young candidate gets the Colorado Rockies away from Coors Field. Not the easiest tilt, but they're not an offense to avoid on the road against an ace. Roll with Scherzer despite a few recent hiccups.

After ponying up $13,200 for the Washington Nationals ace, look at these players to fill Sunday's lineup.  

We've vaulted into August and well past the 100-game mark of the 2015 MLB season. So you'd think the playoff picture would be coming into focus.

And it is—sort of.

Four of the six first-place teams hold division leads of three games or fewer entering play Sunday. And the wild-card races in both leagues are clear as pine tar, with a crowded field of viable contenders jockeying for position.

So it's too early to crown any winners. In many cases, it's hard to even pick a favorite.

Baseball is a humbling game. Just ask Paul Goldschmidt and Todd Frazier—two of MLB's brightest stars who just stumbled through a forgettable week.

Neither of those standouts has enjoyed much success since the calendar flipped to August, but no one had a worse week than Starlin Castro, who suddenly finds himself out of a job.

It's been said that records are made to be broken, but sometimes the milestones reached on the journey are just as memorable as the record-breaking moment itself.