The Padres willhold a press conference around 2:30 on Monday so that CEO Jeff Morad can make a "major club announcement," according to the team's press release.
The club was not prepared to make a formal announcement during the weekend, but a club source told the Associated Press about the move on Saturday.
Hoyer started his career as a baseball operations intern with the Red Sox in 2002. He will take over a young squad that finished in fourth place in the National League West in 2009 with a 75-87 record. The team showed some promise going 33-25 during the final two months of the season.
Last week the club annoucemened that manager Bud Black has invited his entire coaching staff back for next season.