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Fantasy Baseball Rookie Risers/Fallers (Week 18)

Jon Denzler reflects on fantasy baseball prospects and rookie debuts from last week, including prospect stocks that are rising and falling for fantasy owners.

Well, the Major League season is already 47% of the way done. Some owners think that they are on their way to victory while others are patiently waiting for things to turn around. Still, while all the victory laps are being taken, the smart owner is looking forward to the rest of the year and finding what value can still be had. While the season always seems to move quickly, the dog days of summer are still upon us.

Now that we are rolling along, so too are the call-ups. This week, the Rotoballer team keeps tabs on all the new names and faces, with insight into their fantasy value to help any team. For owners looking for a cheap spark, look no further.

For redraft, dynasty, or general fantasy players knowing the new prospects is key to begin to plan out FAAB bids and waiver claims. Target or avoid these players to helps teams keep their competitive windows open.

Be sure to check all of our fantasy baseball lineup tools and resources:

 

Rookie Debuts - Stock Up

These players helped their fantasy value with solid debut weeks for their respective team. If not on owners's radars, these players need to be.

Bo Bichette (SS, TOR)

Perhaps the most prominent name expected by many to make his debut in the second half, Bichette continues a trend of young stars north of the border. While Bichette is rated in the same class as Vladimir Guerrero Jr. and Cavan Biggio in terms of role with the Jays, he seems to fit right in the middle of those two in terms of fantasy value. While he might never get to the raw power of Guerrero Jr., he is the better contact hitter between him and Biggio. With a plus plus hit tool, decent speed, and athleticism on defense, Bichette will be fun to watch.

The first 20 plate appearances have been electric for Bichette, with eight hits and a homer so far. After debuting in the six-hole, Bichette has been batting at the top of the order since. The only thing that is stopping him from having an A+ debut week was the lack of a steal, but that all comes down to context for this team. On a power-heavy roster, expect the team to be conservative on the bases in the hopes of eking out some wins. For next year, Bichette will have a .280 15/20 projection from most places and is flashing those skills now. Finally, a prospect who has lived up to his hype during his debut. 

 

Jake Rogers (C, DET)

Featuring on our AL-only list this week, Rogers might not end of up being all that great of a fantasy asset. Still, he is one of the best defensive catchers in the game already and will be the regular for Detroit as soon as possible. This means that with the growth of two-catching formats, Rogers will be on the draft lists just for the playing time alone. In terms of his first chances, Rogers looked good, with three hits in six at-bats. With two walks in that time as well, Rogers seems like a professional hitter stepping into a new role. No concerns about his catching so far, and he is even getting some praise from pitchers for his game calling already.

Before the call, Rogers had been struggling at the plate but had seen his power output rise to nine homers in 48 games. With the new ball at Triple-A, all power numbers are suspect, and Rogers will need to show even more to stick in fantasy circles. The silver lining is that he does walk a lot for the power profile. A career .338 OBP line in the minors also shows some of the floor, with a batting line in the .240 range. Stock is up with the playing time ahead, and some increased pop. Long term, Rogers will be the next Roberto Perez; a batting average that will make owners cringe, but power upside to stomach it most weeks. 

 

Rookie Debuts - Stock Down

These players hurt their fantasy value during their first week of play.

Dillon Tate (RP, BAL)

The principal return from the Zach Britton trade last year, Tate was also involved in a deal with the Rangers the year prior. Always considered one of the better arms in the game, concerns about his command have resulted in the stock declining. The fastball has slowed down over his time in the game, and now sites 90-92, but can touch 94 on occasion. Scouts like his slider more than the changeup, but he will need all three to be a starter for Baltimore moving forward. When he entered the league, the reports were that he could rely on the fastball. With changes in the delivery, that pitch is not enough for him to be a fantasy option anymore. 

Two appearances out of the pen with the Orioles this past week, Tate was tagged for six earned runs in five innings pitched. While he did strike out five and only walked one, he did give up three bombs. An ERA of 10.80 looks confused next to a WHIP of 1.00, but this shows the real issues with pitching in Baltimore. When Tate gave up those three homers in Petco Park, one of the better parks for suppressing homers, imagine the carnage at Camden. Clear stock down, and clear sell for fantasy owners.  

 

 

More MLB Prospects Analysis




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REAL-TIME FANTASY NEWS

Franz Wagner

Expected to Return "Within the Next Week"
T.J. Watt

Cleared to Play in Week 18
Giannis Antetokounmpo

Available Versus Charlotte
Karl-Anthony Towns

Out on Friday Night
Trevor Moore

Likely to Return Saturday
John Klingberg

Doubtful to Play Saturday
Isiah Pacheco

Could be Rested Against Raiders
Radko Gudas

on Track to Return Friday
Amon-Ra St. Brown

Officially Questionable for Week 18
Brayden McNabb

Considered Week-to-Week
De'Von Achane

Doubtful to Face the Patriots
Zach Werenski

Ready to Return Saturday
Ilya Sorokin

Comes Off Injured Reserve
Bo Horvat

Ruled Out for at Least One Week
Stephen Curry

Sidelined with Ankle Sprain on Friday
Jimmy Butler III

Will Not Play Against Thunder
Aaron Jones Sr.

Won't Play in Week 18
Seth Curry

Sidelined on Friday Vs. Thunder
Omarion Hampton

Ruled Out for Week 18
Draymond Green

Getting a Rest Day Against Thunder
Dallas Goedert

Ruled Out With Knee Injury
J.J. McCarthy

Will Start in Week 18
Jerami Grant

Still Watching From Sidelines on Friday
Javonte Williams

Ruled Out for Sunday
Zach Collins

Remains Out on Friday
Michael Porter Jr.

Remains Sidelined on Friday
Cam Thomas

Resting on Friday
Nicolas Claxton

Ruled Out for Friday's Game
Alvin Kamara

Will Remain Out in Week 18
Saddiq Bey

Won't Suit Up on Friday
Davante Adams

Questionable to Play in Week 18
Derik Queen

is Unavailable on Friday
Trae Young

Won't Play on Friday
Kyren Williams

Questionable to Play in Week 18
Kyle Pitts Sr.

Questionable for Sunday
Drake London

Questionable for Season Finale
Harold Fannin Jr.

Ruled Out in Week 18
Harold Fannin Jr.

Unlikely to Play in Week 18
Jaylen Waddle

Questionable to Play in Week 18
Josh Allen

"Good to Go" Vs. Jets
CFB

Joey Aguilar Undergoes Surgery to Remove Tumor on Friday
CFB

Texas the "Team to Beat" for Transfer Running Back Isaac Brown
CFB

Rocco Becht to Follow Matt Campbell to Penn State?
CFB

Texas Targeting Cam Coleman in Transfer Portal
CFB

Former Texas Running Back CJ Baxter Visiting Kentucky
CFB

Beau Pribula Visiting Virginia Tech, Georgia Tech
Derik Queen

Facing First Career Absence Friday
Saddiq Bey

May Sit Out Friday's Game
Grayson Allen

Questionable Friday
Moussa Diabaté

Moussa Diabate Iffy for Friday
Miles Bridges

Likely to Return Friday
De'Andre Hunter

May Miss Second Straight Game Due to Illness
Sebastian Aho

Records Season-High Five Points Thursday
Auston Matthews

Opens 2026 With Four-Point Effort
Dylan Guenther

Posts First Career Hat Trick During Four-Point Night
Josh Anderson

Exits Early After Scoring
Bo Horvat

Sustains Lower-Body Injury Thursday
Noah Laba

Out Week-to-Week
Conor Sheary

Lands on Long-Term Injured Reserve
Bo Bichette

Yankees Showing Interest in Bo Bichette
George Kittle

Listed as Questionable for Week 18
Amon-Ra St. Brown

Trending Towards Playing
Miles Wood

Blue Jackets Place Miles Wood on Injured Reserve
Dak Prescott

May Not Play Full Game in Week 18
Conor Garland

to Miss One Week
Marco Rossi

to Miss at Least One Week
Yegor Chinakhov

Set for Penguins Debut Thursday
Shayne Gostisbehere

Misses Third Consecutive Game Thursday
Auston Matthews

Returns From One-Game Absence
William Nylander

Remains Out Thursday
Houston Astros

Astros Sign Tatsuya Imai to Three-Year Deal
CFB

Lane Kiffin Interested in Sam Leavitt, Brendan Sorsby at LSU
CFB

Deuce Knight Officially Entering Transfer Portal
CFB

Kewan Lacy Expected to Be Full-Go Against Georgia
CFB

Chip Kelly Named Northwestern Offensive Coordinator
CFB

Penn State Working to Hire D'Anton Lynn as Next Defensive Coordinator
CFB

Omar Cooper Expected to be Full-Go for Rose Bowl
CFB

Marcus Freeman Staying with Notre Dame for 2026 Season
CFB

Star Wideout Cam Coleman Entering Transfer Portal
CFB

Jay Hill Expected to be Next Michigan Defensive Coordinator

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