Johnston was selected by New York City FC in the first round, Rindov was selected by Sporting Kansas City in the second round and Hunter George was selected by San Jose Earthquakes in the third round.
Bolma finished his Maryland career with six goals and 12 assists in 38 appearances over two seasons.
The Terps crashed out of the NCAA tournament once again.
The Terps will take on No. 14 Cornell Sunday in the second round of the NCAA tournament.
Costabile only committed to the Terps this past summer and was a unanimous Big Ten all-freshman team selection.
The Terps won’t get a bye and are unseeded in the national tournament, but will make their 22nd straight appearance.
The goalkeeper helped the Terps to a national championship in 2018.
The Terps couldn't overcome a two-goal deficit and hit two crossbars on potential game-tying shots late in the match.
Coach Sasho Cirovski's tweaks in the midfield paid dividends against the Hoosiers and Wildcats.