Rounding out the top five were MLB 19: The Show, Devil May Cry 5, and Super Smash Bros Ultimate So, at least for March, the top 5 games were mostly new releases.
The full March 2019 chart of the top 10 best-selling games from the NPD reads:
Tom Clancy's The Division 2
Sekiro: Shadows Die Twice
MLB 19: The Show
Devil May Cry[...]
