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NASHVILLE, Tenn. –** Titans coach Mike Mularkey met with reporters on Monday at Saint Thomas Sports Park, one day after the team's 57-14 loss to the Texans.

Here's a look at six hot topics:

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Las Vegas shooting**

Mularkey began his press conference by expressing condolences to the victims of the Las Vegas shooting.

A gunman killed at least 58 people and wounded more than 500 during a concert Sunday night, making it the deadliest mass shooting in modern U.S. history.

"I want to start off by saying it was heartbreaking to see this morning the situation in Las Vegas," Mularkey said. "On behalf of this organization, our hearts and prayers go out to the families of the victims. It's a very sad situation."

Earlier on Monday, Titans running back DeMarco Murray also shared his thoughts on Twitter.

"Terrible news coming out of my hometown, praying for all affected by this horrific situation," Murray said. "My thoughts are with the victims and their families."

Mariota update

I wrote a separate post on Titans quarterback Marcus Mariota, but I can't ignore it in here since it's the news of the day.

Mularkey said Mariota is "day to day" with the hamstring injury he suffered against the Texans. 

There's a chance his availability for Sunday's game against the Miami Dolphins won't be known until game day.

"He did have an MRI, and there is a strain of the hamstring," Mularkey said of Mariota. "We will right now take it day to day. He is a pretty fast healer, and we'll see where he is at and give you more information on Wednesday."

Mularkey said the Titans "are talking about" the possibility of adding another quarterback to the roster.

Back-up quarterback Matt Cassel finished the game for the Titans, and Mularkey said he expects Cassel to "get as many reps as possible" on Wednesday as the Titans see how Mariota is feeling.

Davis not expected vs Dolphins

Titans receiver Corey Davis is expected to miss his third straight game on Sunday because of his hamstring.

"He is doing better," Mularkey said. "I don't think this is the week he is going to be back – I may be wrong, but I would not think we'll see him."

Safety Johnathan Cyprien is also expected to be sidelined again because of a hamstring injury.

Guard Quinton Spain is dealing with turf toe, and could miss practice on Wednesday.

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Film review**

Mularkey watched film of Sunday's loss, and didn't find many positives.

"We didn't play well in any phase," Mularkey said, "and the film confirmed that."

The Titans didn't adjust well when things went poorly, Mularkey said.

Mularkey the Titans played with effort, but didn't execute well.

"There was a lot on there we had to fix. Things we hadn't been doing (wrong), we did," he said. "What I was disappointed in is we didn't fix it during the game. When it wasn't going right, that's the coaching part to me is we have to see it, see it not being executed the way we want it to be done, and fix it, and we didn't do that."

Bounce back needed

The Titans face the Dolphins on Sunday, and Mularkey said the Titans will be ready.

"We are already on to Miami," Mularkey said. "We're trying to get the taste out of our mouths. We have a lot of football left. There's seven 2-win teams and six 3-win teams and we're right in the middle of them in this first quarter of the season."

The Dolphins are 1-2, coming off back-to-back losses to the Jets and Saints.

"You can't fall for their record and where they are ranking-wise and all that stuff," Mularkey said. "We know what they are capable of doing in all the phases."

Quarter-mark review

The Titans are 2-2 at the quarter mark of the season, with wins over the Jaguars and Seahawks and losses to the Raiders and Texans.

The team has been outscored 126-100 in the four games. The team is ranked 14th in the league on offense, and 29th on defense. A year ago, the Titans were 1-3 after four games, and finished with a 9-7 record.

"We have done some good things," Mularkey said. "It doesn't feel that way because of the loss yesterday, and the way we lost. But I don't want one game to define who we are as a team. That's hard to do whether we win or lose – that game can't define us, who we are.

"There is too much good going on. And we know what we are capable of. It's not like we have had struggles for the first quarter (of the season), we had struggles yesterday. Hopefully we can move on from that and continue to play our style at a high level."