Miles Mastrobuoni #21
Seattle Mariners
- 3B
- B/T: L/R
- 5' 9"/185
- Age: 30
- Miles James Mastrobuoni
- Status: Designated for Assignment
- Born: 10/31/1995 in San Ramon, CA
- Draft: 2016, Tampa Bay Rays, Round: 14, Overall Pick: 420
- College: Nevada
- MLB Debut: 9/22/2022
2025 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 1 | 0-0 | 0.00 | 1.0 | 0 | 3.00 |
2026 Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 45 | .178 | 1 | 2 | 4 | .635 |
2026 Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 23 | .217 | 0 | 1 | 0 | .486 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 3 | 0-0 | 0.00 | 4.1 | 1 | 0.69 |
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 2 | 0-0 | 27.00 | 1.1 | 0 | 5.25 |
MiLB Career Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 2716 | .280 | 37 | 298 | 119 | .762 |
MLB Career Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 422 | .230 | 2 | 22 | 22 | .568 |
| Year | AB | R | H | HR | RBI | SB | AVG | OBP | OPS |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 45 | 8 | 8 | 1 | 2 | 4 | .178 | .302 | .635 |
| 2026 MLB Stats | 23 | 3 | 5 | 0 | 1 | 0 | .217 | .269 | .486 |
| MiLB Career Stats | 2716 | 447 | 760 | 37 | 298 | 119 | .280 | .368 | .762 |
| MLB Career Stats | 422 | 57 | 97 | 2 | 22 | 22 | .230 | .295 | .568 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2025 MLB Stats | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 0 | 3.00 |
| MiLB Career Stats | 0 | 0 | 0.00 | 3 | 0 | 0 | 4.1 | 1 | 0.69 |
| MLB Career Stats | 0 | 0 | 27.00 | 2 | 0 | 0 | 1.1 | 0 | 5.25 |
- Next SEA Game: 6-25 @ PIT
Splits
| Duration | AB | R | H | HR | RBI | BB | SO | SB | AVG | OBP | SLG |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 20 | 2 | 4 | 0 | 1 | 2 | 9 | 0 | .200 | .261 | .200 |
| Last 15 Games | 23 | 3 | 5 | 0 | 1 | 2 | 10 | 0 | .217 | .269 | .217 |
| Last 30 Games | - | - | - | - | - | - | - | - | --- | --- | --- |
| Last 3 Games | AB | R | H | HR | RBI | BB | SO | SB |
|---|---|---|---|---|---|---|---|---|
| 6/18 vs BAL | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 6/17 vs BAL | 3 | 0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 6/16 vs BAL | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
2026 :
1B
(2)
2B
(1)
3B
(4)
LF
(2)
More Miles Mastrobuoni
Miles Mastrobuoni doubles (2) on a sharp line drive to left fielder Scott Bandura. Alejo Lopez scores.
Luis Morales In play, run(s) to Miles Mastrobuoni
Miles Mastrobuoni triples (1) on a line drive to center fielder Kellen Strahm.
Miles Mastrobuoni's impressive play
Bradley, Manzardo shine brightest for Rays
Mastrobuoni swats three homers across doubleheader
Bulls' Mastrobuoni lays out for catch
Archer Fans 6, Bulls Fall 8-5
Franco, Ryan top Rays' deep prospect pool
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
|
June 19, 2026 | Seattle Mariners designated 3B Miles Mastrobuoni for assignment. |
|
|
June 10, 2026 | Seattle Mariners activated 3B Miles Mastrobuoni from the 60-day injured list. |
|
May 27, 2026 | Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers. |
|
|
May 27, 2026 | Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers. |
|
May 25, 2026 | Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to ACL Mariners. |
|
|
April 20, 2026 | Seattle Mariners placed 3B Miles Mastrobuoni on the 60-day injured list. Right calf strain. |
|
|
April 8, 2026 | Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers. |
|
|
March 25, 2026 | Seattle Mariners placed 3B Miles Mastrobuoni on the 10-day injured list retroactive to March 22, 2026. Right calf strain. |
|
February 5, 2026 | Italy activated 3B Miles Mastrobuoni. |
|
|
October 12, 2025 | Seattle Mariners activated 3B Miles Mastrobuoni. |
|
|
October 4, 2025 | 3B Miles Mastrobuoni roster status changed by Seattle Mariners. |
|
|
September 28, 2025 | Seattle Mariners recalled 3B Miles Mastrobuoni from Tacoma Rainiers. |
|
|
August 18, 2025 | Seattle Mariners optioned 3B Miles Mastrobuoni to Tacoma Rainiers. |
|
|
August 17, 2025 | Seattle Mariners recalled 3B Miles Mastrobuoni from Tacoma Rainiers. |
|
|
August 15, 2025 | Seattle Mariners optioned 3B Miles Mastrobuoni to Tacoma Rainiers. |
|
|
July 31, 2025 | Seattle Mariners recalled 3B Miles Mastrobuoni from Tacoma Rainiers. |
|
|
July 29, 2025 | Tacoma Rainiers activated 3B Miles Mastrobuoni. |
|
|
July 25, 2025 | 3B Miles Mastrobuoni roster status changed by Tacoma Rainiers. |
|
|
July 25, 2025 | Seattle Mariners optioned 3B Miles Mastrobuoni to Tacoma Rainiers. |
|
|
April 16, 2025 | SS Miles Mastrobuoni changed number to 21. |
|
|
April 15, 2025 | SS Miles Mastrobuoni changed number to 42. |
|
|
January 14, 2025 | Chicago Cubs traded SS Miles Mastrobuoni to Seattle Mariners for cash. |
|
January 9, 2025 | Chicago Cubs designated SS Miles Mastrobuoni for assignment. |
|
|
October 1, 2024 | Chicago Cubs recalled SS Miles Mastrobuoni from ACL Cubs. |
|
September 25, 2024 | Chicago Cubs optioned SS Miles Mastrobuoni to ACL Cubs. |
|
|
September 1, 2024 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
July 30, 2024 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
June 18, 2024 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
|
May 20, 2024 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
May 4, 2024 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
|
April 18, 2024 | Iowa Cubs activated 2B Miles Mastrobuoni. |
|
|
April 18, 2024 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
August 19, 2023 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
|
July 29, 2023 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
July 8, 2023 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
|
June 27, 2023 | Iowa Cubs activated 2B Miles Mastrobuoni. |
|
|
June 27, 2023 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
June 13, 2023 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
|
June 9, 2023 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
May 12, 2023 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
|
|
April 14, 2023 | Iowa Cubs activated 2B Miles Mastrobuoni. |
|
|
April 14, 2023 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
|
|
April 13, 2023 | Chicago Cubs activated 2B Miles Mastrobuoni. |
|
|
February 9, 2023 | Italy activated 2B Miles Mastrobuoni. |
|
November 15, 2022 | 2B Miles Mastrobuoni assigned to Tigres del Licey. |
|
|
November 15, 2022 | Tigres del Licey activated 2B Miles Mastrobuoni. |
|
|
November 15, 2022 | Tampa Bay Rays traded 2B Miles Mastrobuoni to Chicago Cubs for RHP Alfredo Zarraga. |
|
October 6, 2022 | Tampa Bay Rays recalled 2B Miles Mastrobuoni from Durham Bulls. |
|
October 3, 2022 | Tampa Bay Rays optioned 2B Miles Mastrobuoni to Durham Bulls. |
|
|
September 22, 2022 | Tampa Bay Rays selected the contract of 2B Miles Mastrobuoni from Durham Bulls. |
|
|
March 18, 2022 | 2B Miles Mastrobuoni roster status changed by Tampa Bay Rays. |
|
|
March 18, 2022 | 2B Miles Mastrobuoni roster status changed by Tampa Bay Rays. |
|
|
March 18, 2022 | 2B Miles Mastrobuoni assigned to Tampa Bay Rays. |
|
|
July 13, 2021 | 2B Miles Mastrobuoni assigned to Durham Bulls from Montgomery Biscuits. |
|
April 30, 2021 | 2B Miles Mastrobuoni assigned to Montgomery Biscuits. |
|
|
April 30, 2021 | 2B Miles Mastrobuoni assigned to Montgomery Biscuits. |
|
|
April 30, 2021 | 2B Miles Mastrobuoni assigned to Montgomery Biscuits from Rays Alternate Training Site. |
|
|
February 12, 2021 | Tampa Bay Rays invited non-roster 2B Miles Mastrobuoni to spring training. |
|
|
February 12, 2021 | 2B Miles Mastrobuoni assigned to Tampa Bay Rays . |
|
|
February 3, 2020 | Tampa Bay Rays invited non-roster LF Miles Mastrobuoni to spring training. |
|
|
November 20, 2019 | 2B Miles Mastrobuoni assigned to Durham Bulls from Montgomery Biscuits. |
|
|
July 8, 2019 | 2B Miles Mastrobuoni assigned to Montgomery Biscuits from Durham Bulls. |
|
|
July 4, 2019 | 2B Miles Mastrobuoni assigned to Durham Bulls from Montgomery Biscuits. |
|
|
April 20, 2019 | Montgomery Biscuits activated 2B Miles Mastrobuoni from the temporarily inactive list. |
|
|
April 12, 2019 | Montgomery Biscuits placed 2B Miles Mastrobuoni on the temporarily inactive list. |
|
|
February 23, 2019 | 2B Miles Mastrobuoni assigned to Tampa Bay Rays. |
|
|
August 20, 2018 | 2B Miles Mastrobuoni assigned to Montgomery Biscuits from Charlotte Stone Crabs. |
|
June 15, 2018 | 2B Miles Mastrobuoni assigned to FSL South Division All-Stars. |
|
April 2, 2018 | LF Miles Mastrobuoni assigned to Charlotte Stone Crabs from Bowling Green Hot Rods. |
|
|
February 28, 2018 | 2B Miles Mastrobuoni assigned to Tampa Bay Rays. |
|
April 4, 2017 | 2B Miles Mastrobuoni assigned to Bowling Green Hot Rods from Hudson Valley Renegades. |
|
August 15, 2016 | 2B Miles Mastrobuoni assigned to NYP North All-Stars. |
|
June 19, 2016 | 2B Miles Mastrobuoni assigned to Hudson Valley Renegades. |
|
|
June 18, 2016 | Tampa Bay Rays signed 2B Miles Mastrobuoni. |
+ Show More Transactions
Awards
NYP Mid-Season All-Star
| Year | ||
|---|---|---|
| 2016 | Hudson Valley Renegades | NYP |
MID Mid-Season All-Star
| Year | ||
|---|---|---|
| 2017 | Bowling Green Hot Rods | MID |
FSL Mid-Season All-Star
| Year | ||
|---|---|---|
| 2018 | Charlotte Stone Crabs | FSL |
SOU Mid-Season All-Star
| Year | ||
|---|---|---|
| 2019 | Montgomery Biscuits | SOU |
SOU Best Utility Player
| Year | ||
|---|---|---|
| 2019 | Montgomery Biscuits | SOU |
SOU Post-Season All-Star
| Year | ||
|---|---|---|
| 2019 | Montgomery Biscuits | SOU |
MiLB.com Organization All-Star
| Year | ||
|---|---|---|
| 2019 | Tampa Bay Rays | AL |
| 2022 | Tampa Bay Rays | AL |
INT Post-Season All-Star
| Year | ||
|---|---|---|
| 2022 | Durham Bulls | INT |
+ Show More Awards