Dennis Colleran Jr. #40
Northwest Arkansas Naturals
Double-A Affiliate
- P
- B/T: R/R
- 6' 3"/225
- Age: 23
- Dennis Patrick Colleran Jr.
- Status: Active
- Born: 8/20/2003 in North Attleboro, MA
- Draft: 2024, Kansas City Royals, Round: 7, Overall Pick: 197
- College: Northeastern
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 47 | 3-1 | 7.52 | 52.2 | 51 | 2.01 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 91 | 12-1 | 4.92 | 119.0 | 123 | 1.48 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 3 | 1 | 7.52 | 47 | 0 | 5 | 52.2 | 51 | 2.01 |
| MiLB Career Stats | 12 | 1 | 4.92 | 91 | 0 | 8 | 119.0 | 123 | 1.48 |
- Next Game:
More Dennis Colleran Jr.
Yeison Morrobel lines into an unassisted double play, shortstop Angel Acosta. Frainyer Chavez out at 2nd.
Dennis Colleran's sixth strikeout in two innings
Dennis Colleran's strikeout in High-A debut
Magic Number Shrinks to One With 5-Run Ninth
Fireflies Lose 2-0 Behind Woods Strong Start
McNair Round-Tripper Sparks Offense in 5-3 Win
Strong Start Falls Flat in 7-4 Loss
Shields Dazzles in Debut as Fireflies Win 20th of 2025
Fireflies Blanked 4-0 in Opener in Charleston
Latest Transactions
| Team | Date | Transaction |
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March 5, 2026 | RHP Dennis Colleran assigned to Kansas City Royals Prospects. |
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January 27, 2026 | Kansas City Royals invited non-roster RHP Dennis Colleran to spring training. |
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September 10, 2025 | RHP Dennis Colleran assigned to Surprise Saguaros. |
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September 9, 2025 | RHP Dennis Colleran assigned to Northwest Arkansas Naturals from Quad Cities River Bandits. |
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June 24, 2025 | RHP Dennis Colleran assigned to Quad Cities River Bandits from Columbia Fireflies. |
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April 2, 2025 | RHP Dennis Colleran assigned to Columbia Fireflies. |
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July 21, 2024 | Kansas City Royals signed RHP Dennis Colleran. |
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June 16, 2024 | College Workout activated RHP Dennis Colleran. |
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June 9, 2024 | RHP Dennis Colleran assigned to College Workout. |
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April 2, 2024 | RHP Dennis Colleran assigned to Chatham Anglers. |
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February 19, 2024 | College Workout activated RHP Dennis Colleran. |
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February 16, 2024 | RHP Dennis Colleran assigned to Northeastern Huskies. |
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August 23, 2023 | RHP Dennis Colleran assigned to College Workout. |
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June 9, 2023 | Hyannis Harbor Hawks activated RHP Dennis Colleran. |
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June 9, 2023 | Hyannis Harbor Hawks activated RHP Dennis Colleran. |
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February 24, 2023 | RHP Dennis Colleran assigned to Northeastern Huskies. |
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February 24, 2022 | RHP Dennis Colleran and assigned to Northeastern Huskies. |
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