Early years

Barnett was born in Barstow, California and attended Fontana A.B. Miller High School in Fontana, California.

College career

Barnett attended Oregon State University, where he was a four-year letter winner for the Oregon State Beavers football team (1999-2002), starting the last three seasons at strong side linebacker. As a senior, Barnett was a first-team All-Pacific-10 Conference selection. He led the conference in tackles with 121 (62 solo). Barnett registered his single game best against the University of California in 2001 with 18 tackles (11 solo).

He majored in Business Administration and Communications.

College statistics

Year	Team	GP	GS	TK	SO	AS	FR	FC	INT	TFL	PBU	SCK	PRES
1999	Oregon State Beavers	12	0	11	6	5	0-0	0	0-0	0-0	0	0.0-0	0
2000	Oregon State Beavers	12	5	44	34	10	2-9	0	0-0	3-4	1	0.0-0	0
2001	Oregon State Beavers	11	11	73	41	32	0-0	1	1-0	6-20	4	2.0-11	5
2002	Oregon State Beavers	13	13	121	62	59	0-0	2	0-0	21-72	7	6.0-43	1
Total		48	29	249	143	106	2-9	3	1-0	30-96	12	8.0-54	6

Professional career

Green Bay Packers

Barnett was drafted by the Green Bay Packers in the first round of the 2003 NFL Draft.

On April 10, 2007, Barnett signed a six-year contract extension worth $34.85 million.

Barnett missed the second half of the 2008 season after suffering a torn knee ligament during November 9's game against the Minnesota Vikings.

Barnett suffered a season-ending wrist injury in a Week 4 matchup vs. the Detroit Lions. He was put on injured reserve on October 7, 2010. It was the second time in three seasons that Barnett ended his season on injured reserve. Barnett is second in all-time tackles for the Green Bay Packers.

On July 26, 2011, Barnett was informed by Packers General Manager, Ted Thompson, that the Packers will try to trade him, but if not, they will release him. He was released on July 28, after Green Bay was unable to find a trade.

Buffalo Bills

Barnett signed a three-year, $12 million deal with the Buffalo Bills on July 31, 2011. On February 11, 2013 the Bills announced that Barnett will be released from his contract along with safety George Wilson.

Washington Redskins

On July 31, 2013, Barnett agreed to a one-year deal with the Washington Redskins. He switched from the outside to inside linebacker position for the Redskins' defensive scheme. On December 24, he was placed on injured reserve after suffering a MCL sprain in the Week 16 game against the Dallas Cowboys.

Professional Statistics

Year	Team	G	TTkl	Solo	Ast	Sacks	Int	Yds	Avg	Lg	TD	Pass Def	FF	FR
2003	Green Bay Packers	15	112	86	26	2	3	21	7	14	0	3	0	1
2004	Green Bay Packers	16	123	92	31	3	1	16	16	16	0	5	0	1
2005	Green Bay Packers	16	138	91	47	1	1	95	95	95	1	1	1	3
2006	Green Bay Packers	15	105	62	43	2	2	3	1.5	3	0	7	0	1
2007	Green Bay Packers	16	131	102	29	3.5	2	40	20	38	0	4	0	1
2008	Green Bay Packers	9	49	41	8	0	0	0	0	0	0	2	1	0
2009	Green Bay Packers	16	105	82	23	4	0	0	0	0	0	7	0	0
2010	Green Bay Packers	4	24	19	5	0	0	0	0	0	0	1	0	0
2011	Buffalo Bills	16	130	78	52	3	3	80	27	33	1	5	1	0
2012	Buffalo Bills	16	112	72	40	2	0	0	0	0	0	1	3	0
2013	Washington Redskins	14	12	7	5	0	0	0	0	0	0	0	0	0
Total		137	1041	732	309	20.5	12	255	21	95	2	35	3	7

[ Source: Wikipedia ]