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JACKSONVILLE – Sergio Brown took advantage of one opportunity this past season.

Doing that helped earn him another.

Brown, a safety who spent the past three seasons with the Indianapolis Colts, signed as an unrestricted free agent with the Jaguars Wednesday morning. He is expected to speak at an introductory media availability Wednesday.

Brown (6-feet-2, 218 pounds) started a career-high eight games this past season playing in place of then-suspended safety LaRon Landry.

"I'm definitely ready," Brown said. "After five years of scrapping so hard it's kind of cool to be able to get some respect and play from a different point of view: instead of fighting, fighting, fighting to be the guy who can help other guys … I can't wait to get out there."

Brown, who originally signed as an undrafted free agent with New England following the 2010 NFL Draft, played collegiately at Notre Dame. He has played 71 games in five NFL seasons with 11 starts. He played 26 games for New England in 2010-2011 before joining Indianapolis off waivers from the Patriots in 2012.

"It's been a rough journey, but it builds character," Brown said. "I saw this day coming a long time ago. I didn't know how it was going to happen, but I kept working and didn't lose faith. I was fortunate to be part of some good teams and had some good teams.

"Even though it seemed rough, that made it easier to get it done."

Brown has played in 45 games the past three seasons for the Colts, starting eight games this past season. He has 70 career tackles (52 solo), with a sack, an interception, eight passes defensed, a quarterback hit, two tackles for loss and four fumble recoveries in five NFL seasons.

He had 34 tackles with a sack and four passes defensed this past season.

Brown will join a secondary that likely will start third-year veterans Demetrius McCray and Johnathan Cyprien at outside cornerback and strong safety, as well as fifth-year veteran and newly-signed Davon House at outside corner and second-year veteran Aaron Colvin at nickel cornerback.

"It's a good group of guys," he said. "There's a great amount of potential to excel."