| Team |
Date |
Transaction |
 |
June 13, 2017 |
C Spencer Kieboom assigned to Syracuse Chiefs from Harrisburg Senators. |
 |
April 4, 2017 |
C Spencer Kieboom assigned to Harrisburg Senators from Syracuse Chiefs. |
 |
March 8, 2017 |
C Spencer Kieboom assigned to Washington Nationals. |
|
March 6, 2017 |
Washington Nationals sent C Spencer Kieboom outright to Syracuse Chiefs. |
|
March 2, 2017 |
Washington Nationals designated C Spencer Kieboom for assignment. |
|
October 14, 2016 |
Washington Nationals activated C Spencer Kieboom. |
|
October 7, 2016 |
Washington Nationals reassigned C Spencer Kieboom to the minor leagues. |
|
September 27, 2016 |
Washington Nationals recalled C Spencer Kieboom from Harrisburg Senators. |
|
September 2, 2016 |
Harrisburg Senators activated C Spencer Kieboom from the 7-day disabled list. |
|
August 26, 2016 |
Harrisburg Senators placed C Spencer Kieboom on the 7-day disabled list retroactive to August 25, 2016. |
|
May 5, 2016 |
Harrisburg Senators activated C Spencer Kieboom from the 7-day disabled list. |
|
April 27, 2016 |
Harrisburg Senators placed C Spencer Kieboom on the 7-day disabled list. |
|
March 14, 2016 |
Washington Nationals optioned C Spencer Kieboom to Harrisburg Senators. |
|
March 14, 2016 |
C Spencer Kieboom assigned to Washington Nationals. |
|
November 19, 2015 |
Washington Nationals selected the contract of Spencer Kieboom from Potomac Nationals. |
 |
September 14, 2015 |
Potomac Nationals activated C Spencer Kieboom from the 7-day disabled list. |
|
July 25, 2015 |
Potomac Nationals placed C Spencer Kieboom on the 7-day disabled list. |
|
April 7, 2015 |
C Spencer Kieboom assigned to Potomac Nationals from Harrisburg Senators. |
|
February 12, 2015 |
Washington Nationals invited non-roster C Spencer Kieboom to spring training. |
|
September 12, 2014 |
C Spencer Kieboom assigned to Harrisburg Senators from Hagerstown Suns. |
 |
May 7, 2014 |
Hagerstown Suns activated C Spencer Kieboom from the 7-day disabled list. |
|
April 26, 2014 |
Hagerstown Suns placed C Spencer Kieboom on the 7-day disabled list. |
|
March 31, 2014 |
C Spencer Kieboom assigned to Hagerstown Suns from GCL Nationals. |
 |
August 17, 2013 |
DH Spencer Kieboom assigned to GCL Nationals from Auburn Doubledays. |
 |
June 17, 2013 |
Spencer Kieboom assigned to Auburn Doubledays from Hagerstown Suns. |
|
April 2, 2013 |
Spencer Kieboom assigned to Hagerstown Suns from Auburn Doubledays. |
|
June 15, 2012 |
Spencer Kieboom assigned to Auburn Doubledays. |
|
June 12, 2012 |
Washington Nationals signed C Spencer Kieboom. |
