Raposo, 20, recorded 15 goals and seven assists for Syracuse University last season.
The 19-year-old was named the NCAA 2019 Most Outstanding Player of the Year after his sophomore season at Virginia.
Pereira notched four assists across all competitions for Atlanta United in the 2019 season.
Dest’s decision follows a similar move by the U.S. men’s national team to cancel a planned training camp in Qatar.
Blackmon and LAFC agreed to an extension through the 2022 season, with an option for 2023.
Howard retired from playing pro soccer after starting 25 games for the Colorado Rapids this past season.
Thursday’s draft will have a much different feel than previous years.
ESPN linear networks will air 20 USL Championship games this season. All other games will be available on ESPN+.
The game will take place on March 5 at Exploria Stadium in Orlando.
The Thorns acquired midfielder Raquel Rodríguez in exchange.