The veteran reliever took to Derek Jeter's player-driven website, The Players Tribune, to announce he's signed with Washington.
Michael A. Taylor climbed from Class AA to the majors in 2014, and with Steven Souza Jr. gone, may be the young outfielder most likely to return in 2015.
Turner has been identified as the player to be named later in the Nationals' trade with the Rays and Padres, but he isn't eligible to report to Washington until June.
A handful of executives explain what may happen to the player to be named later (in other words, Trea Turner) over the next six months.
The three-team deal with the Padres and Rays will send Souza to Tampa Bay and net Washington two former Padres first-round picks.
The trade touches on many aspects of the Nationals: their ability to contend in 2015, planning for the future, scouting and player development strengths.
The Nationals acquire a potential shortstop of the future and a pitching prospect for Souza and minor leaguer Travis Ott.
With Rafael Soriano gone to free agency, Drew Storen is once again the Nationals' closer, and says he's ready for the opportunity.
For the second straight season, Baseball American puts Lucas Giolito at the top of its rankings of Nationals' prospects.
Pitchers and catchers will report on Feb. 19 and position players on Feb. 24.