Emotional In 1st Game Since Brother's Death

Super emotional scene in the Titans' game Thursday ... Corey Davis played despite his older brother's death Wednesday -- and cameras caught the WR in tears at one point in the evening.

Davis' bro, Central Michigan football legend Titus Davis, tragically died Wednesday at the age of 27 after a lengthy battling with a rare form of kidney cancer.

Corey decided to play a little more than 24 hours later ... because he said that's what his big bro would have wanted.

And, at times during the night, the 25-year-old's heavy heart was apparent.

"As he was laying there all he kept telling my sister was to tell me to play, regardless of what happens," Corey said after the game. "He just kept telling me to…