The San Francisco 49ers have found their new head coach replacing Jim Harbaugh. They didn't need to look far as they have chosen to promote defensive line coach Jim Tomsula to head coaching duties.

Early on Wednesday, National Football League (NFL) Media Insider Ian Rapoport reported Tomsula's promotion last Wednesday, a source involved in the process reported. The 49ers announced the move later on.

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According to Rapoport, Tomsula beat out Denver Broncos offensive coordinator Adam Gase for the position.

Since 2007, the 46-year old Tomsula has been with the organization. He was previously interim head coach for the 49ers in 2010 when they fired Mike Singletary. While there was only one game remaining in the season, Tomsula led them to victory.

Loyalty may count for something, as Tomsula has only played with this one organization after coming over from the Rhein Fire of the now-defunct NFL Europe League.

Jed York, the 49ers' CEO, said that after the team Harbaugh mutually parted ways, they were looking for a "teacher" figure. General manager Trent Baalke affirms that they found their teacher in Tomsula.

Tomsula's rise to prominence is an indication that respected defensive coordinator Vic Fangio will be leaving the Bay Area. Raiders coordinator Jason Tarver seems to be a good option to replace Fangio, Rapoport says.

Tomsula's forte has always been on defense. He has built up the 49ers' defensive squad over the past four years. They continued to dominate the games even this season despite missing superstar Aldon Smith for nine games.

Coming into the 2015 season, their defensive squad will return to fine form as injured defenders in NaVorrow Bowman and Patrick Willis will be ready to suit up again.

The problem now lay in the offensive side of the team. It still remains to be seen who Tomsula will be selecting for his offensive coordinator.

The choice will assist quarterback Colin Kaepernick who strugged in the past season.

TagsJim Tomsula, San Francisco 49ers, NFL, Ian Rapoport