NEW YORK — Columbia baseball head coach Brett Boretti has announced the addition of 11 newcomers to the Lions' roster for the 2026 season. The incoming class features student-athletes from nine states, who will bring a mix of arms and bats to the program.

"The group has already made an impact this fall," said Boretti. "I look forward to seeing them progress and become leaders in our program."

Columbia Baseball 2026 Newcomers

Tyler Adamo
INF/Utility | 5-9 | 170 | R/R | Lynnfield, Mass. | Lynnfield

Boretti on Adamo
"Tyler is a versatile athlete who runs well and will add depth to our roster."

High School: 2025 graduate of Lynnfield … Two-year captain… Cape Ann League MVP… Boston Globe Division 4 State Player of the Year… Two-time Globe and Herald All-Scholastic… Senior year hit .493 with .586 OBP, 11 extra-base hits, and 18 stolen bases… Also an All-State quarterback, holding school records for passing yards and touchdowns.

Personal: Enrolled at Columbia College … Father Matt Adamo played football at Boston University… Great-grandfather Bill Tighe is a BU Baseball and Football Hall of Famer.

Amare Burrus
OF | 6-4 | 185 | R/R | Durham, N.C. | Durham Academy

Boretti on Burrus
"Amare is a very athletic outfielder, who has a lot of upside."

High School: 2025 graduate of Durham Academy… Two-time First-Team All-Conference… Team MVP as a senior… Hit .310 with three home runs and 17 stolen bases… Student Body President and Morehead-Cain Scholarship nominee.

Personal: Enrolled at Fu Foundation School of Engineering & Applied Sciences.

Henrik Conniff
INF/RHP | 6-3 | 205 | R/R | Wilmette, Ill. | New Trier HS

Boretti on Conniff
"Henrik is a big, strong two-way player who is going to help on the mound and in the field."

High School: 2025 graduate of New Trier HS… Four-year varsity standout and captain… All-CSL South and CSL All-Star… Senior year went unbeaten in 13 starts with a 1.42 ERA and 68 strikeouts… Illinois State Scholar.

Personal: Enrolled at Columbia College … Father, Cory Conniff, was a decathlete at UC Irvine… Brother, Charlie Conniff, is a diver at Villanova.

Jack Korthas
LHP | 6-2 | 200 | L/L | Trophy Club, Texas | Byron Nelson HS

Boretti on Korthas
"Jack is a strong LHP that has a good breaking ball."

High School: 2025 graduate of Byron Nelson HS… AP Scholar with Honors… National Rural & Small Town Recognition honoree… Co-founded a nonprofit that raised $20,000+… Logged 200+ service hours.

Personal: Enrolled at Columbia College.

Jack McWilliams
OF/LHP (Transfer) | 6-3 | 185 | R/L | San Marcos, Calif. | Cathedral Catholic HS / Univ. of San Diego

Boretti on McWilliams
"Jack is a nice combo pitcher and outfield bat that will compete for playing time in both areas."

At San Diego: Played freshman season at San Diego, contributing to win the 2025 WCC Regular Season Championship… Made 14 appearances on the mound in 10.2 innings pitched with 12 strikeouts.

High School: 2023 Cathedral Catholic graduate… Perfect Game Underclass All-American and All-West Coast Region.

Personal: Enrolled at Columbia College.

Collin Park
LHP/1B | 6-1 | 186 | L/L | Columbia, Md. | Mount St. Joseph HS

Boretti on Park
"Collin has good command with a plus changeup."

High School: 2025 graduate of Mount St. Joseph HS… Three-time All-MIAA A Conference… School MVP and Pitcher of the Year… Senior year hit .296 with three homers… Academic Excellence Award recipient… Accomplished pianist with Carnegie Hall performance.

Personal: Enrolled at Columbia College.

Brandon Rovinelli
RHP | 5-9 | 185 | L/R | Shelton, Conn. | St. Joseph HS

Boretti on Rovinelli
"Brandon is an RHP that spins the ball well."

High School: 2025 graduate of St. Joseph HS… Class M State Champion… FCIAC Scholar-Athlete and Honorable Mention… President's Honor Roll.

Personal: Enrolled at Columbia College … Father, Steven Rovinelli, played baseball at Fairfield University.

Koby Seelig
RHP | 6-2 | 175 | R/R | Cambridge, Mass. | IMG Academy (Fla.)

Boretti on Seelig
"Koby is a solid arm with immediate pitchability."

High School: 2025 graduate of IMG Academy … Ranked top 10 in Massachusetts for Class of 2025… National Honor Society member… Volunteer with the Special Olympics.

Personal: Enrolled at Columbia College … Grandfather Arnold P. Gold was a professor at Columbia.

Charlie Slabaugh
OF | 6-0 | 200 | L/L | Lexington, Ky. | Sayre School

Boretti on Slabaugh
"Charlie has excellent instincts and will be a solid lefty bat to add to the lineup."

High School: 2025 graduate of Sayre School… 2025 First-Team All-State, Region Player of the Year, and Lexington City Player of the Year… Career .394 hitter… Helped Sayre to 2023 All-A State Championship… Valedictorian.

Personal: Enrolled at Columbia College.

Jaden Santiago
C | 6-0 | 180 | R/R | San Diego, Calif. | Pacific Ridge School

Boretti on Santiago
"Jaden is a very solid, athletic and defensive catcher."

High School: 2025 graduate of Pacific Ridge School … National Merit Scholarship Finalist, AP Scholar with Distinction, National Hispanic Recognition Award … 2024 17U WWBA National Champion with BPA … Service leader and longtime volunteer pianist at an Alzheimer's facility.

Personal: Enrolled at Columbia College.

Jake Taylor
RHP | 6-3 | 195 | R/R | Belmont, Mass. | Boston College HS

Boretti on Taylor
"Jake has a lot of upside with his velocity and slider."

High School: 2025 graduate of Boston College HS… Helped win 2024 MIAA Division I State Championship… John P. Farricy Award recipient… Presidential Scholar and High Honors… Volunteer youth basketball coach.

Personal: Enrolled at Columbia College.

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