This is the time of year in fantasy baseball that folks are looking for a boost. There's not much left on the waiver-wire in most leagues, so people naturally turn to youngsters. There are two players that fit the bill, young, elite talents who are ready to start their big league careers. Both are infielders, one is in the AL and one the NL, and both play for teams on the left coast (NY Mets and Red Sox). I'll also break down an injured Brewers' outfielder, one dealing with a malady in Kansas City, a slumping National's outfielder and then touch on a surging infielder from Chicago.THE ROOKIESTravis d'Arnaud has been called up by the Mets, and the word out of New York is that he will remain with the club and serve as the lead backstop (veteran John Buck will slide into a support role). Coming into the season d'Arnaud was the top ranked NL backstop prospect in the game, but his season hasn't exactly gone smoothly as he jacked up his foot and missed a lot of time (like three months worth). In his 19 games at Triple-A he batted .304 with two bombs, 12 RBIs and 19 runs scored, this after batting .333 with 16 bombs and 52 RBIs last season in 67 games at Triple-A, proving that the bat is ready for primetime. The truth is obvious – the guy is a potential all-star. He sprays the ball around the field, has a nice power stroke, and should hit for average. If the Mets do indeed stick to their plan and use him on nearly a daily basis, he immediately becomes a second catching option in mixed leagues. For those of you running out there the Quintero's, Hundley's and Lobaton's of the world, you might look to the Mets' backstop with a sense of urgency.Xander Bogaerts will be called up Monday according to sources. Let's break down who he is and what his playing time situation looks like. Bogaerts is 20 years old and is one of the elite prospects in baseball (Baseball America had him ranked 4th among all players in their mid-season rankings). He's also appeared in only 60 games above Double-A (I know most seem to blow past the experience argument with ease, but it still matters to me). Here are the number breakdowns. Double-A (79 games): .315-11-52-52-6 Triple-A (60 games): .284-9-32-32-4 With the Sox dealing away Jose Iglesias they were tangentially admitting that Bogaerts was close to being ready to contribute at the big league level. He's got the build to succeed, 6'3” and 180 lbs, and his head seems to be on straight. In addition, his baseball IQ continues to grow with each passing season. Now the downside. He has to work on his contract rate a bit (he has 309 punchouts in 378 games). He's also walked only 162 times in 378 games. These two rates could improve with experience.Is he going to play full time? Stephen Drew has hit .276 over his last 27 games with an OPS of .809. He's been even better in August with an impressive .317/.392/.476 slash line in 17 games. He's not going to sit if he's healthy, so Bogaerts may not see much time at shortstop (his natural position). Will he play third base, a position he's only seen action at 10 times in four minor league seasons? Brock Holt will be demoted and that helps a bit, but Will Middlebrooks has 12 hits in 26 at-bats since he was recalled. Are the Sox going to bench a guy who is batting .462 with a 1.241 OPS over eight games? That would take some major cojones. Bogaerts is worth an addition in mixed leagues, the guy has immense talent and a luminous future, but I'm just not seeing how he's going to be able to play in the Red Sox lineup on a daily basis though it should be noted that it makes little sense for the Sox to call him up and not use him regularly (though if you read this report, it sure seems like he won't be playing daily).SHORT HOPSLorenzo Cain thinks he could miss 4-6 weeks with an oblique issue, though he hopes to return in a couple of weeks (bet on the injury keeping him out longer than a couple of weeks). Cain has been a solid play in AL-only leagues this season with four homers, 43 RBIs, 50 runs scored and 12 steals. Still, can't help but say he's been a a bit of a disappointment. Not only is he hitting a mere .261 but his OPS is in the .680's. He's also displayed little long ball pop, and he's been unable to steal bags at the expected rate. To be fair to the guy, if we look at his efforts since the start of last season we find the following numbers for his 157 game effort: .263 average, 11 homers, 74 RBIs, 77 runs scored and 22 steals. Remember those numbers when you're calling out depth outfielders in mixed leagues.Carlos Gomez is progressing well in his comeback from knee woes, but he might be out of action until Friday. After hitting 19 homers with 37 steals last season, he's on pace to surpass both totals this season with 18 homers and 30 steals. He's also hitting .288, he's never hit .265 in a season, but this knee issue doesn't make me feel good about him producing a big finish. He's also hit a mere .231 over his last 39 games as the strikeouts are piling up (47 in that time). The latest ailment for Bryce Harper is a bruised triceps. He sat out action Saturday before returning on Sunday. Does the phenom need to amend his game, pull back on the throttle a bit, to stay in the lineup? He's just not been the same player since he plowed into that wall in Los Angeles. Over his last 15 games he's got a mere .711 OPS, and over his last 41 games he's hit .242 with five homers and 17 RBIs. Yikes is right. Overall he's been a disappointment. Let's compare last year to this year to see just how much of a disappointment he's been. 2012: .270/.340/.477 a HR every 24.2 ABs 2013: .264/.365/.502 a HR every 17.6 ABs Wait, his OPS is up .049 points? His OBP is up. His SLG is up. His HR-rate is up. That's all really solid work for a fella in just his second season, so maybe he's not been the failure you thought he was. At the same time he's seen his steals total fall from 18 to six an d that hurts his fantasy value immensely. If he were to have played 140 games this season his numbers would end up surpassing those of last season, even without taking the monumental leap many predicted.Alexei Ramirez is hitting .289 on the season after tearing it up to the tune of a .338 average over his last 18 games. He's hit .290 vs. lefties and .289 vs. righties by the way. He's also ripped off 25 steals, a career best to give him a fair amount of fantasy value. He's dipped to only four homers and that hurts a bit, but the addition of the steals totally offsets that loss. It would be nice if he had more than 40 RBIs and 53 runs scored, but that's what happens when you have a .312 OBP and .376 SLG. Much more valuable in fantasy than in real life.  *** GET YOUR COPY OF THE NEARLY 200 PAGE 2013 FANTASY FOOTBALL DRAFT GUIDE.*** What is THE MACHINE, and how will it help you to dominate in Fantasy Football?Ray Flowers can be heard daily on Sirius/XM Radio on The Fantasy Drive on Sirius 210 and XM 87, Monday through Friday at 7 PM EDT. For more of Ray's analysis you can check out BaseballGuys.com or the BaseballGuys' Twitter account where he tirelessly answer everyone's questions.