High school career

Jackson attended Westside High School, As a senior he mainly played running back and rushed for over 1000 yards. He also added 16 tackles with three interceptions on defense.

Following high school, Jackson attended Fork Union Military Academy, Where he converted from running back to cornerback.

Considered a four-star recruit by Rivals.com, Jackson was listed as the No. 17 prep school prospect in 2007.

College career

As a true freshman, Jackson started in 12 of 13 games for the Crimson Tide. He ranked second on the team with three interceptions on the season and was fourth with four pass breakups. Jackson recorded 66 tackles on the season, good for fifth-best on the team. He subsequently received Freshman All-American honors.

Jackson was eighth on the team in tackles with 44, including 28 solo stops, as a sophomore in 2008. He registered 10 pass breakups on the year with one interception.

As a junior in 2009, Jackson started in all 14 games and was fifth on the team with 49 tackles. He also had one interception and broke up 13 passes.

On January 15, 2010, Jackson declared he would forgo his senior season and enter the NFL Draft.

Professional career

Houston Texans

Jackson was drafted by the Houston Texans 20th overall in the 2010 NFL Draft. He signed a 5-year $13.1 million contract on July 30, 2010. Jackson started the entire 2010 season for the Texans, a unit that was ranked 32nd out of 32 teams against the pass.

During the 2011 season, Jason Allen was placed ahead of Jackson on the depth chart for a brief time after Allen created big plays and better coverage, including a game-sealing interception against the Pittsburgh Steelers in Week 4. However, Jackson got back on track, and played better the rest of the season, finishing with 42 tackles (37 solo), a forced fumble, an interception, and six passes defensed.

In the 2012 season, with a full offseason under Defensive Coordinator Wade Phillips and the mentoring of Pro Bowler Johnathan Joseph, Jackson got off to a hot start, intercepting a Ryan Tannehill pass that was tipped into the air by J.J. Watt in week 1. In week 4, Jackson deflected two passes and intercepted Tennessee Titans quarterback Matt Hasselbeck and returned it 63 yards for his first career touchdown to seal the Texans' 38-14 win.

In week 16 of the 2014 season, Kareem Jackson picked off Joe Flacco twice to beat the Ravens 25-13.

On March 7, 2015, Jackson re-signed with the Texans to a four-year, $34 million contract with $20 million guaranteed.

NFL stats

Year	Team	GP	COMB	TOTAL	AST	SACK	FF	FR	FR YDS	INT	IR YDS	AVG IR	LNG	TD	PD
2010	HOU	16	71	58	13	0.0	0	0	0	2	23	12	23	0	10
2011	HOU	15	42	37	5	0.0	1	0	0	1	0	0	0	0	6
2012	HOU	16	53	47	6	0.0	0	0	0	4	71	18	63	1	16
2013	HOU	14	56	51	5	0.0	0	1	0	0	0	0	0	0	9
2014	HOU	13	57	48	9	0.0	0	0	0	3	97	32	65	0	9
Career		74	279	241	38	0.0	1	1	0	10	191	19	65	1	50

Key

• GP: games played
• COMB: combined tackles
• TOTAL: total tackles
• AST: assisted tackles
• SACK: sacks
• FF: forced fumbles
• FR: fumble recoveries
• FR YDS: fumble return yards
• INT: interceptions
• IR YDS: interception return yards
• AVG IR: average interception return
• LNG: longest interception return
• TD: interceptions returned for touchdown
• PD: passes defensed

[ Source: Wikipedia ]