agent Mark Langston. The Expos gained a supplemental first-round pick in 1990 for losing free agent Mark Langston. The Expos gained a supplemental first-round pick in 1990 for losing free agent Hubie Brooks. The Expos gained a supplemental first-round pick in 1990 for losing free agent Pascual Perez. The Expos gained a supplemental first-round pick in 1990 for failing to sign draft pick Charles Johnson. The Expos gained a supplemental first-round pick in 1993 for losing free agent Spike Owen. The Expos gained a supplemental first-round pick in 1994 for losing free agent Dennis Martínez. The Expos gained a supplemental first-round pick in 1997 for losing free agent Mel Rojas. The Expos gained a supplemental first-round pick in 1997 for losing free agent Moisés Alou. The Expos gained a supplemental first-round pick in 1997 for losing free agent Mel Rojas. The Expos gained a supplemental first-round pick in 1997 for losing free agent Moisés Alou. The Expos gained a supplemental first-round pick in 1997 for losing free agent Mel Rojas. The Expos gained a supplemental first-round pick in 1997 for losing free agent Moisés Alou. The Expos gained a supplemental first-round pick in 1997 for failing to sign draft pick John Patterson. The Expos gained a supplemental first-round pick in 1998 for losing free agent Darrin Fletcher. The Nationals gained a compensatory first-round pick in 2006 from the Oakland Athletics for losing free agent Esteban Loaiza. The Nationals gained a supplemental first-round pick in 2007 for losing free agent Alfonso Soriano. The Nationals gained a supplemental first-round pick in 2007 for losing free agent José Guillén. The Nationals gained a supplemental first-round pick in 2009 for failing to sign draft pick Aaron Crow. The Nationals gained a compensatory first-round pick in 2011 from the Chicago White Sox for losing free agent Adam Dunn. The Nationals gained a supplemental first-round pick in 2011 for losing free agent Adam Dunn. The Nationals gained a supplemental first-round pick in 2016 for losing free agent Jordan Zimmerman. References General references In-text citations First-round draft picks Washington Nationals first-round draft picks