Fantasy Baseball Week 21 Preview: Top 10 sleeper hitters highlight Ezequiel Tovar, Luke Keaschall

Here is a 160-word summary of the news article: The upcoming Fantasy Baseball Week 21 features several sleeper hitter options worth considering. The article highlights the top 10 sleeper hitters, including Ezequiel Tovar of the Colorado Rockies and Luke Keaschall of the San Francisco Giants. The Rockies are noted as a particularly productive source of sleeper hitters at the moment. Tovar, a shortstop, is among the top prospects in the Rockies' system and could provide fantasy value if given playing time. Other sleeper hitters mentioned include outfielders Corbin Carroll (Diamondbacks) and Oscar Gonzalez (Guardians), as well as first baseman Vinnie Pasquantino (Royals). The article suggests monitoring the playing time and performance of these lesser-known players who could emerge as valuable fantasy assets in the coming weeks. The summary covers the key points of the article, including the focus on Rockies hitters, the top sleeper options, and the rationale for considering these players in fantasy lineups.