Baltimore Orioles Ink Highly-Touted MLB Draft Pick to Massive Above-Slot Bonus

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The Baltimore Orioles have signed supplemental first rounder Slater de Brun to an above-slot deal, MLB.com's Jim Callis reported Thursday afternoon.
The 18-year-old outfielder, who had been committed to Vanderbilt, secured a $4 million signing bonus from the Orioles. As the No. 37 overall pick in the 2025 MLB Draft, De Brun carried a slot value of $2.6314 million.
De Brun led Summit High School (Ore.) to a state championship earlier this year, batting .370 with 22 stolen bases, 26 RBIs and 35 runs his senior season.
Supplemental 1st-rder Slater de Brun signs w/@Orioles for $4 million (slot 37 value = $2,631,400). Best prep OF in @MLBDraft, advanced hitter, well above-average speed plays well on bases and in center field. Vanderbilt recruit. pic.twitter.com/bhhHhXUVld
— Jim Callis (@jimcallisMLB) July 24, 2025
Off the field, de Bruin produces music under the stage name Lil Slayyy.
The Orioles led all teams with four selections before the start of the second round. De Brun was the fourth or those high picks, hearing his name called after Auburn outfielder/catcher Ike Irish at No. 19, Coastal Carolina catcher Caden Bodine at No. 30 and Arkansas shortstop Wehiwa Aloy at No. 31.
De Brun was the top prep pick in Baltimore's draft class and the 18th high schooler to come off the board overall. The 5-foot-9, 185-pound prospect entered the draft as the top high school outfielder in his class.
Related MiLB Stories
- ORIOLES DRAFT CLASS: By selecting the likes of Ike Irish, Caden Bodine, Wehiwa Aloy and Slater de Brun, the Baltimore Orioles took full advantage of their treasure trove of draft picks this week. CLICK HERE
- CUBS PAY HARTSHORN: Instead of letting Josiah Hartshorn head off to Texas A&M, the Chicago Cubs made sure their sixth round pick would turn pro by offering him a historic deal. CLICK HERE
- TWINS BAIL ON CARTAYA: Diego Cartaya was once the crown jewel of the Los Angeles Dodgers' farm system, but the Minnesota Twins have cut bait with the catcher following his struggles with the St. Paul Saints. CLICK HERE
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Sam Connon is a staff writer for “Minor League Baseball on SI’’ and other "On SI'' baseball sites. He previously covered UCLA Athletics for “UCLA on SI’’ and won awards from the College Media Association and Society of Professional Journalists. Connon also wrote for “New England Patriots on SI’’ and was on the Patriots and Boston Red Sox beats at Prime Time Sports Talk. Follow Sam on Twitter @SamConnon.