Mike Yastrzemski #18
Kansas City Royals
- RF
- B/T: L/L
- 5' 11"/180
- Michael Andrew Yastrzemski
- Status: Free Agent
- Nickname: Yaz
- Born: 8/23/1990 in Andover, MA
- Draft: 2013, Baltimore Orioles, Round: 14, Overall Pick: 429
- College: Vanderbilt
- MLB Debut: 5/25/2019
- Relationship(s): grandson of Carl Yastrzemski son of Mike Yastrzemski
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 2 | 0-0 | 18.00 | 2.0 | 0 | 4.00 |
MiLB Career Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 2605 | .262 | 73 | 363 | 61 | .781 |
MLB Career Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 2751 | .238 | 123 | 364 | 25 | .771 |
| Year | AB | R | H | HR | RBI | SB | AVG | OBP | OPS |
|---|---|---|---|---|---|---|---|---|---|
| MiLB Career Stats | 2605 | 415 | 683 | 73 | 363 | 61 | .262 | .341 | .781 |
| MLB Career Stats | 2751 | 433 | 654 | 123 | 364 | 25 | .238 | .324 | .771 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| MLB Career Stats | 0 | 0 | 18.00 | 2 | 0 | 0 | 2.0 | 0 | 4.00 |
Splits
| Duration | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 0 | 0 | 18.00 | 1 | 0 | 0 | 1.0 | 2 | 2 | 1 | 0 | 3.00 |
| Last 15 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 30 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Duration | AB | R | H | HR | RBI | BB | SO | SB | AVG | OBP | SLG |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 22 | 7 | 8 | 2 | 3 | 8 | 3 | 1 | .364 | .548 | .727 |
| Last 15 Games | 49 | 8 | 12 | 2 | 4 | 10 | 6 | 1 | .245 | .377 | .469 |
| Last 30 Games | 95 | 17 | 23 | 4 | 10 | 15 | 11 | 1 | .242 | .345 | .474 |
| Last 3 Games | W | L | SV | IP | H | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|
| 7/9 vs PHI | 0 | 0 | 0 | 1.0 | 2 | 2 | 1 | 0 |
| Last 3 Games | AB | R | H | HR | RBI | BB | SO | SB |
|---|---|---|---|---|---|---|---|---|
| 9/28 @ ATH | 4 | 2 | 2 | 2 | 2 | 1 | 0 | 1 |
| 9/27 @ ATH | 4 | 2 | 2 | 0 | 0 | 1 | 0 | 0 |
| 9/26 @ ATH | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
2025 :
LF
(7)
CF
(10)
RF
(133)
More Mike Yastrzemski
Avelino triples twice in series-opening victory over Bees
Slater powers River Cats to doubleheader sweep
River Cats split Friday night doubleheader with Grizzlies
Yastrzemski homers again but River Cats fall 5-3
Yastrzemski's big night not enough to slow El Paso
River Cats done in by extra inning home run
River Cats' home run barrage continues in loss to Grizzlies
Sacramento's Yastrzemski goes yard
Williamson, River Cats play home run derby in 12-6 win over Reno
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
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November 2, 2025 | RF Mike Yastrzemski elected free agency. |
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August 1, 2025 | Kansas City Royals activated RF Mike Yastrzemski. |
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July 31, 2025 | San Francisco Giants traded RF Mike Yastrzemski to Kansas City Royals for RHP Yunior Marte. |
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April 16, 2025 | RF Mike Yastrzemski changed number to 5. |
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April 15, 2025 | RF Mike Yastrzemski changed number to 42. |
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July 2, 2024 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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June 22, 2024 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list retroactive to June 21, 2024. Left oblique strain. |
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April 1, 2024 | San Francisco Giants activated RF Mike Yastrzemski from the paternity list. |
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March 29, 2024 | San Francisco Giants placed RF Mike Yastrzemski on the paternity list. |
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August 30, 2023 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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July 31, 2023 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list. Left hamstring strain. |
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July 3, 2023 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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July 1, 2023 | San Francisco Giants sent RF Mike Yastrzemski on a rehab assignment to Sacramento River Cats. |
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June 30, 2023 | sent RF Mike Yastrzemski on a rehab assignment to Sacramento River Cats. |
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June 30, 2023 | sent RF Mike Yastrzemski on a rehab assignment to Sacramento River Cats. |
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June 23, 2023 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list retroactive to June 22, 2023. Left hamstring strain. |
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May 15, 2023 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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May 1, 2023 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list. Left hamstring strain. |
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May 4, 2022 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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April 25, 2022 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list. |
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June 12, 2021 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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June 3, 2021 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list. Right thumb sprain. |
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May 7, 2021 | San Francisco Giants activated RF Mike Yastrzemski from the 10-day injured list. |
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April 28, 2021 | San Francisco Giants placed RF Mike Yastrzemski on the 10-day injured list. Leftoblique strain. |
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May 25, 2019 | San Francisco Giants selected the contract of RF Mike Yastrzemski. |
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May 25, 2019 | San Francisco Giants selected the contract of RF Mike Yastrzemski. |
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May 25, 2019 | San Francisco Giants selected the contract of LF Mike Yastrzemski from Sacramento River Cats. |
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May 25, 2019 | San Francisco Giants selected the contract of RF Mike Yastrzemski. |
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March 23, 2019 | LF Mike Yastrzemski assigned to Sacramento River Cats. |
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March 23, 2019 | Baltimore Orioles traded LF Mike Yastrzemski to San Francisco Giants for RHP Tyler Herb. |
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January 25, 2019 | Baltimore Orioles invited non-roster LF Mike Yastrzemski to spring training. |
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May 14, 2018 | LF Mike Yastrzemski assigned to Norfolk Tides from Bowie Baysox. |
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April 2, 2018 | LF Mike Yastrzemski assigned to Bowie Baysox from Norfolk Tides. |
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March 11, 2018 | OF Mike Yastrzemski assigned to Baltimore Orioles. |
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July 23, 2017 | LF Mike Yastrzemski assigned to Norfolk Tides from Bowie Baysox. |
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June 27, 2017 | CF Mike Yastrzemski assigned to Bowie Baysox from Norfolk Tides. |
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May 2, 2017 | Norfolk Tides activated CF Mike Yastrzemski from the 7-day disabled list. |
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April 6, 2017 | Norfolk Tides placed CF Mike Yastrzemski on the 7-day disabled list. |
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May 16, 2016 | CF Mike Yastrzemski assigned to Norfolk Tides from Bowie Baysox. |
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March 5, 2016 | OF Mike Yastrzemski assigned to Baltimore Orioles. |
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July 14, 2015 | OF Mike Yastrzemski assigned to EAS Western Division All-Stars. |
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March 5, 2015 | OF Mike Yastrzemski assigned to Baltimore Orioles. |
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July 16, 2014 | CF Mike Yastrzemski assigned to Bowie Baysox from Frederick Keys. |
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June 19, 2014 | OF Mike Yastrzemski assigned to Frederick Keys from Delmarva Shorebirds. |
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March 28, 2014 | OF Mike Yastrzemski assigned to Delmarva Shorebirds from Aberdeen IronBirds. |
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March 2, 2014 | OF Mike Yastrzemski assigned to Baltimore Orioles. |
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August 12, 2013 | OF Mike Yastrzemski assigned to NYP American League All-Stars. |
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June 28, 2013 | OF Mike Yastrzemski assigned to Aberdeen IronBirds. |
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June 27, 2013 | Baltimore Orioles signed OF Mike Yastrzemski. |
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June 25, 2013 | OF Mike Yastrzemski assigned to Aberdeen IronBirds. |
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Awards
NYP Mid-Season All-Star
| Year | ||
|---|---|---|
| 2013 | Aberdeen IronBirds | NYP |
SAL Mid-Season All-Star
| Year | ||
|---|---|---|
| 2014 | Delmarva Shorebirds | SAL |
CAR Player of the Week
| Week | ||
|---|---|---|
| 07/07/2014 | Frederick Keys | CAR |
MiLB.com Organization All-Star
| Year | ||
|---|---|---|
| 2014 | Baltimore Orioles | AL |
| 2018 | Baltimore Orioles | AL |
EAS Mid-Season All-Star
| Year | ||
|---|---|---|
| 2015 | Bowie Baysox | EAS |
AFL Rising Stars
| Year | ||
|---|---|---|
| 2015 | Peoria Javelinas | AFL |
EAS Player of the Week
| Week | ||
|---|---|---|
| 04/24/2016 | Bowie Baysox | EAS |
Giants Willie McCovey Award
| Year | ||
|---|---|---|
| 2020 | San Francisco Giants | NL |
All-MLB Second Team
| Year | ||
|---|---|---|
| 2020 | San Francisco Giants | NL |
Bob Feller Act of Valor Award
| Year | ||
|---|---|---|
| 2025 | Kansas City Royals | AL |
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League Rankings
Runs
| R | ||
|---|---|---|
| 2020 | 39 | in NL |
Doubles
| 2B | ||
|---|---|---|
| 2022 | 31 | in NL |
| 2020 | 14 | in NL |
Triples
| 3B | ||
|---|---|---|
| 2024 | 9 | in NL |
| 2021 | 3 | in NL |
| 2020 | 4 | in NL |
Hits
| H | ||
|---|---|---|
| 2020 | 57 | in NL |
Batting Average
| AVG | ||
|---|---|---|
| 2020 | .297 | in NL |
On Base Percentage
| OBP | ||
|---|---|---|
| 2020 | .400 | in NL |
Slugging Percentage
| SLG | ||
|---|---|---|
| 2020 | .568 | in NL |
On Base Plus Slugging
| OPS | ||
|---|---|---|
| 2020 | .968 | in NL |
Total Bases
| TB | ||
|---|---|---|
| 2020 | 109 | in NL |
Runs Batted In
| RBI | ||
|---|---|---|
| 2020 | 35 | in NL |
Strikeouts
| SO | ||
|---|---|---|
| 2022 | 141 | in NL |
| 2021 | 131 | in NL |
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