The Tennessee Titans topped their win total from the 2015 season on Thursday with a 36-22 win over the Jacksonville Jaguars. They are .500 at the midpoint of the season for the first time since 2013, when they were also 4-4, due in large part to Marcus Mariota's passing.

ESPN Stats & Information takes a look into what made him effective Thursday.

Mariota completed 18 of 22 (81.8 percent) passes Thursday, the second-best completion percentage of his career (86.7 percent, Week 1 of 2015 vs Tampa). His completion percentage was also the second-highest by a Titans quarterback (minimum of 20 attempts) since Steve McNair went 19-for-23 (82.6 percent) on Dec. 8, 2002, vs. the Colts.

Of his 22 attempts Thursday, only two were thrown off target. It is tied for the fewest off-target throws Mariota has had in a game in which he attempted at least 20 passes in his career (Week 10 of 2015 vs. Carolina).

Mariota was able to stretch the field Thursday, completing all four of his passes thrown 15 or more yards downfield, the most such passes without an incompletion in his career.

He continues to impress in play action. He completed two of three passes for 54 yards and a touchdown on play-action plays. In his past four games he is 13-of-19 for 218 yards with four touchdowns and no interceptions. Mariota tied for the league lead in interceptions over the first four games of the season on such plays.

Mariota also has multiple passing touchdowns in four straight games, which is the longest streak by a Titans quarterback since Kerry Collins in 2010 (Weeks 14-17).

It wasn’t all Mariota, though, as DeMarco Murray notched his fourth 100-yard rushing game this season after having one all of last season. Murray’s 756 rushing yards this season are 54 more than he had all of last year. He also added his sixth rushing touchdown, which ties last season's total.

Blake Bortles struggled for much of game, but made it respectable in the fourth quarter. He tied a Jaguars franchise record with 54 pass attempts, with 44 of those coming when the team was down at least 21 points. Since entering the league in 2014, Bortles has the most pass attempts in the NFL down at least 20 points. He had 184 of his 337 yards in the fourth quarter.

However, high passing totals have not led to wins for Bortles. In his career, he is 0-and-13 when throwing for at least 275 yards and 0-and-10 when throwing for at least 300 yards.