 Petruška was selected by the Houston Rockets, of the National Basketball Association (NBA), with the 46th overall pick (2nd round), of the 1993 NBA draft.He played in 22 games with the Rockets, during the 1993–94 NBA season, and scored 53 total points.His only NBA season also saw him as part of an NBA championship team, which resulted in him accidentally dropping and denting the team's first Larry O'Brien Championship Trophy during the celebration of the title.