Sandy David León Balan
- Bats Both, Throws Right
- Height 5' 11", Weight 220 lb.
León signed with the Washington Nationals in January 2007; the scouts were Dana Brown and Mike Rizzo. It was the first Washington tryout in Venezuela since the Montreal Expos had relocated in 2004. He debuted that summer with the GCL Nationals, hitting .202/.324/.202 by going 115 plate appearances without an extra-base hit. He started at catcher ahead of Derek Norris. In 2008, he fell to .189/.294/.230 for the same club. Sandy split 2009 between the Hagerstown Suns (.218/.265/.256 in 23 G) and Vermont Lake Monsters (.247/.345/.355 in 50 G). He was rated as the best defensive catcher in the Washington chain by Baseball America and threw out 41% of attempted base-stealers.
In 2010, León produced at a .249/.345/.335 clip for the Suns, with 6 triples and 50 walks. He gunned down an amazing 51% of attempted base thieves, but made 19 errors as well. He led South Atlantic League backstops in assists (115), errors and twin killings (17). In winter ball, he debuted in the Venezuelan League by going 3 for 5 with a triple and 3 RBI for the Águilas del Zulia but was 0 for 9 in the postseason. Moving up to the Potomac Nationals the next summer, he hit .251/.312/.362 and continued to show off a cannon arm (opponents stole 53 times in 113 times, as Sandy caught 53% of them). He went 7 for 28 with four walks for Zulia in 2011-2012.
The Maracaibo native began 2012 with the AA Harrisburg Senators and was putting on a strong show at .319/.356/.457 with 10 doubles in 27 games. Despite only 27 games above A ball, he was called up when Wilson Ramos was injured. On May 14th, his major league debut, he started and hit 8th. He struck out against Tim Stauffer in his first at-bat then sustained a right ankle injury in a collision at the plate with Chase Headley. Jesus Flores replaced him and León went on the DL. He played only 12 games in the majors that season, hitting .267 in 30 at-bats. In 64 minor league games between Harrisburg, the Auburn Doubledays and the AAA Syracuse Chiefs, he hit .322/.396/.460. However, his 2013 season was disrupted by more injuries, as he again spent time at Auburn (1 for 13) and Harrisburg (.177/.291/.252 in 95 G), but hit only .173 in 98 games, with 3 homers and 26 RBI. He played 2 games in the majors with Washington, getting only 1 at-bat.
Sandy was slated to start 2014 in the minor leagues, but plans changed when Wilson Ramos suffered a broken bone on opening day. He was called up to back-up Jose Lobaton. He went only 1 for 15 in his first 4 games, but on April 14th, he hit his first big league homer off Kevin Slowey of the Miami Marlins in a 9-2 win.