Kieboom, 19, has been on a tear of late, hitting .429/.444/.943 with four home runs, six doubles and 11 RBIs over his last eight games for Class A Hagerstown. He's hit safely in seven of those contests, including four multi-hit performances. For the season, the 2016 first-rounder (No. 28 overall) is batting .339/.405/.596 with 37 hits, 16 extra-base hits and 20 RBIs through 28 games.
Flaherty will take the mound in Game 1 of Double-A Springfield's twin bill after they were rained out on Thursday night. The 21-year-old righty was brilliant in his most recent start, as he matched his career high with 12 strikeouts in seven dominant innings, allowing one earned run on two hits and one walk. After six starts, Flaherty leads all Texas League hurlers in wins (5-0), innings pitched (tied-39 1/3), ERA (0.69) and WHIP (0.74).
Murphy worked a season-high seven innings in his most recent turn for Class A Lansing, allowing two earned runs on five hits and four walks with one strikeout. After yielding six runs in five innings in his season debut, the 21-year-old righty has gone 2-0 with a 2.70 ERA in his last four starts totaling 23 1/3 innings.
Reed, 20, hasn't allowed more than two earned runs in any of his five starts for Kane County. He's posted a 1.81 ERA and a 1.01 WHIP in that span, with 35 strikeouts and seven walks in 24 2/3 innings. Opposing hitters, meanwhile, are batting just .194 against the southpaw.
Friday's Top 100 prospect probables
No. 49 Yohander Mendez (Rangers' No. 2), Frsico at San Antonio (8:05 p.m. ET on MiLB.TV)
No. 63 Carson Fulmer (White Sox No. 5), Charlotte at Louisville (7:05 p.m. ET on MiLB.TV)
No. 68 Dylan Cease (Cubs' No. 3), South Bend at Peoria (7:30 p.m. ET on MiLB.TV)
No. 69 Mike Soroka (Braves' No. 4), Mississippi vs. Mobile (8 p.m. ET on MiLB.TV)
No. 84 Walker Buehler (Dodgers' No. 5), Tulsa at NW Arkansas (8:15 p.m. ET on MiLB.TV)
More top prospect probables Jake Junis (Royals' No. 5), Omaha at Las Vegas (Triple-A)
Daniel Gossett (A's No. 6), Nashville vs. Albuquerque (Triple-A) Adam Plutko (Indians' No. 15), Columbus at Gwinnett (Triple-A) Mark Appel (Phillies' No. 20), Lehigh Valley vs. Buffalo (Triple-A) Ryan Yarbrough (Mariners' No. 24), Durham vs. Toledo (Triple-A)
Sandy Alcantara (Cardinals' No. 6), Springfield at Arkansas Game 2 (Double-A) Felix Jorge (Twins' No. 9), Chattanooga at Montgomery (Double-A)
Tanner Scott (Orioles' No. 11), Bowie vs. Richmond (Double-A)
Yeudy Garcia (Pirates' No. 13) vs. Francisco Rios (Blue Jays' No. 18), Altoona vs. New Hampshire (Double-A)
Julian Merryweather (Indians' No. 25), Akron at Binghamton (Double-A)
Trey Ball (Red Sox's No. 28), Portland at Reading (Double-A)
Cody Sedlock (Orioles' No. 2), Frederick at Wilmington (Class A Advanced)
Beau Burrows (Tigers' No. 3) vs. Touki Toussaint (Braves' No. 11), Lakeland vs. Florida (Class A Advanced)
Eric Lauer (Padres' No. 8) vs. Pablo Lopez (Mariners' No. 26), Lake Elsinore vs. Modesto (Class A Advanced) Ryan Borucki (Blue Jays' No. 16), Dunedin vs. Daytona (Class A Advanced) Zack Littell (Yankees' No. 22), Tampa at Clearwater (Class A Advanced)
Zach Thompson (White Sox No. 30), Winston-Salem at Carolina (Class A Advanced)
Juan Hillman (Indians' No. 12), Lake County vs. Wisconsin (Class A)
Michael Shawaryn (Red Sox's No. 12) vs. Adonis Medina (Phillies' No. 16), Greenville at Lakewood (Class A)
Matthias Dietz (Orioles' No. 13), Delmarva vs. Columbia (Class A)
Luis Escobar (Pirates' No. 13), West Virginia at Asheville (Class A)
Tyler Watson (Nationals' No. 18), Hagerstown at Rome (Class A)
Melvin Adon (Giants' No. 25), Augusta vs. Kannapolis (Class A)
Jorge Alcala (Astros' No. 29), Quad Cities at Dayton (Class A)
A.J. Alexy (Dodgers' No. 29), Great Lakes at Clinton (Class A)
Mike Rosenbaum is a reporter for MLB.com. Follow him on Twitter at @GoldenSombrero. This story was not subject to the approval of Major League Baseball or its clubs.