Raiders fire coach Dennis Allen

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From Day1 in this three-year rebuild, Raiders owner Mark Davis made clear that general manager Reggie McKenzie was “my guy” and that head coach Dennis Allen was “Reggie’s guy.”

Davis got more and more frustrated with Allen over two 4-12 seasons, but McKenzie convinced Davis to give Allen another chance this season with a more talented cast of players.

That chance ended Monday night, as Davis told McKenzie to fire his guy. The Raiders fired Allen, a day after a 38-14 loss to Miami in London on Sunday left the team with an 0-4 record after the easy part of its schedule and heading into the bye week.

Allen didn’t have any solutions for the team’s problems, and his players started to sense that. Of the 15 players The Chronicle talked to after the game Sunday, only three argued that Allen should be retained. The others essentially shrugged.

Allen flew home on the 11-hour flight with the team Monday and then was told over the phone of the decision Monday night. He had the rest of this season and next remaining on his contract.

There was no word on who the interim head coach will be. Signs had pointed to offensive line coach and former Miami head coach Tony Sparano, although there might be concern over promoting a coach whose team is ranked dead last in running the football.

Sparano coached the Dolphins from 2008 to ’11. Miami compiled a 29-32 record under Sparano.

Dennis Allen arrived with a reputation as a strong defensive coach, but his results didn’t bear that out. Dennis Allen arrived with a reputation as a strong defensive coach, but his results didn’t bear that out. Photo: Richard Heathcote / Getty Images Photo: Richard Heathcote / Getty Images Image 1 of / 27 Caption Close Raiders fire coach Dennis Allen 1 / 27 Back to Gallery

The other possibilities are senior offensive assistant Al Saunders and offensive coordinator Greg Olson.

The team’s weekly news conference is scheduled for 2p.m. Tuesday.

Davis, McKenzie and Allen could not be reached for comment Monday night.

Oakland had lost 10 straight games under Allen, dating to last season. He was 8-28 in his two-plus seasons. Nine of those losses were by 20 points or more.

Allen was the 18th head coach in franchise history and the seventh in the past 12 seasons.

McKenzie hired Allen in 2012 after he spent one season as the Denver Broncos’ defensive coordinator. Allen was the NFL’s youngest head coach and was considered a bright defensive mind.

And that was Davis’ biggest problem with Allen. The owner didn’t see the defensive prowess he wanted. The Raiders ranked 28th in scoring defense in 2012 and 29th in 2013 and are 24th this season.

Numerous times Sunday, the Raiders were caught in formations in which they had two defensive backs, or even one on one occasion, lined up against three Miami receivers bunched to one side.

The past couple of seasons, Allen and defensive coordinator Jason Tarver were able to blame a lack of talent. Davis even called the past two seasons “a deconstruction period” because of salary-cap problems and the dumping of starters.

Davis made clear at the NFL combine in February that there would be no excuses this season. Not after Oakland had the most salary-cap room in the league.

And then the Raiders signed Justin Tuck, LaMarr Woodley, Maurice Jones-Drew, Antonio Smith, Carlos Rogers, Tarell Brown and others. Only Brown has played remotely well.

“This is one that we’ve been building toward the last few years,” Davis told The Chronicle at the combine. “So, yeah, there is no question. We have to hit it right now.

“There are no excuses.”

Vic Tafur is a San Francisco Chronicle staff writer. E-mail: vtafur@sfchronicle.com Twitter: @victafur

By the numbers

0: Wins in four games in 2014

3: Wins against AFC West opponents under Allen

7: Coaches since Jon Gruden; Raiders are a combined 68 games below .500 since he left

8: Wins in 36 games under Allen

10: Consecutive losses for the Raiders

336: Points by which the Raiders were outscored under Allen, 999-663

Raiders coaches