As a rookie, Boldin set an NFL record for most receiving yards by a rookie in his first game (217), tied Billy Sims for most yards from scrimmage by a rookie in his first game (217), and holds the NFL record for most receptions in the first 26 games of an NFL career (157).
He is also the fastest to record 300 career receptions (47 games) and finished the season with 101 catches, 1,377 receiving yards, and eight scores.
Boldin was the only rookie selected to the 2004 Pro Bowl.

In 2005, despite missing time with an injury, Boldin still caught more than 100 passes for over 1,400 yards.
Arguably his finest moment came against the San Francisco 49ers on December 4 when he broke several tackles and scored the game-winning touchdown in a 17–10 win.
That year, he and fellow wide receiver Larry Fitzgerald became only the third duo from the same team to each catch over 100 receptions in addition to topping the 1,400-yard mark.
They joined Detroit's Herman Moore and Brett Perriman, who accomplished the feat in 1995, and Denver Broncos tandem Ed McCaffrey and Rod Smith, who did it in 2000.

After compiling 83 catches, 1,203 receiving yards and 4 touchdowns in 2006, Boldin and was selected to play in his second Pro Bowl.

Boldin was named the offensive captain for the Cardinals for the 2007 season; during the season, he became the fastest player in NFL history to compile 400 career receptions.

On September 28, 2008, Boldin was carted off the field after a violent helmet-to-helmet collision in the end zone with 27 seconds remaining in the Cardinals’ 56–35 loss to the New York Jets.
While attempting to catch a long pass from Kurt Warner, Boldin was hit in the back by free safety Kerry Rhodes and then took an illegal helmet-to-face shot from strong safety Eric Smith, knocking them both unconscious.
Smith was able to get up after a few moments.
After several minutes, Boldin was placed on a stretcher and carted off the field.
Smith was fined $50,000 and suspended one game.
Boldin left the game having caught 10 balls for 119 yards and a touchdown.
 On October 4, 2008, coach Ken Whisenhunt announced that Boldin would be out for an indefinite time period with fractured paranasal sinuses.
Boldin returned three weeks later and caught 9 passes for 63 yards and two touchdowns against the Carolina Panthers.
Fitzgerald and Steve Breaston, who filled in for the injured Boldin, became the fifth 1,000 yard receiving trio in NFL history.

In December 2008, he became the fastest player in NFL history to have 500 receptions.
On January 3, 2009, in his first post-season game, against the Atlanta Falcons in the wildcard round, Boldin had a 71-yard catch and run for a touchdown.
In the Super Bowl XLIII loss to the Pittsburgh Steelers, Boldin caught 8 passes for 84 yards.

On May 26, 2009, according to ESPN's Mike Sando, Anquan Boldin fired agent Drew Rosenhaus.
He later hired agent Tom Condon.

On November 15, 2009 in a game against the Seattle Seahawks, Boldin became the fifth-fastest NFL player to record 7,000 receiving yards.
As a rookie, Boldin set an NFL record for most receiving yards by a rookie in his first game (217), tied Billy Sims for most yards from scrimmage by a rookie in his first game (217), and holds the NFL record for most receptions in the first 26 games of an NFL career (157). He is also the fastest to record 300 career receptions (47 games) and finished the season with 101 catches, 1,377 receiving yards, and eight scores. Boldin was the only rookie selected to the 2004 Pro Bowl.
In 2005, despite missing time with an injury, Boldin still caught more than 100 passes for over 1,400 yards. Arguably his finest moment came against the San Francisco 49ers on December 4 when he broke several tackles and scored the game-winning touchdown in a 17–10 win. That year, he and fellow wide receiver Larry Fitzgerald became only the third duo from the same team to each catch over 100 receptions in addition to topping the 1,400-yard mark. They joined Detroit's Herman Moore and Brett Perriman, who accomplished the feat in 1995, and Denver Broncos tandem Ed McCaffrey and Rod Smith, who did it in 2000.
After compiling 83 catches, 1,203 receiving yards and 4 touchdowns in 2006, Boldin and was selected to play in his second Pro Bowl.
Boldin was named the offensive captain for the Cardinals for the 2007 season; during the season, he became the fastest player in NFL history to compile 400 career receptions.
On September 28, 2008, Boldin was carted off the field after a violent helmet-to-helmet collision in the end zone with 27 seconds remaining in the Cardinals’ 56–35 loss to the New York Jets. While attempting to catch a long pass from Kurt Warner, Boldin was hit in the back by free safety Kerry Rhodes and then took an illegal helmet-to-face shot from strong safety Eric Smith, knocking them both unconscious. Smith was able to get up after a few moments. After several minutes, Boldin was placed on a stretcher and carted off the field. Smith was fined $50,000 and suspended one game. Boldin left the game having caught 10 balls for 119 yards and a touchdown.  On October 4, 2008, coach Ken Whisenhunt announced that Boldin would be out for an indefinite time period with fractured paranasal sinuses. Boldin returned three weeks later and caught 9 passes for 63 yards and two touchdowns against the Carolina Panthers. Fitzgerald and Steve Breaston, who filled in for the injured Boldin, became the fifth 1,000 yard receiving trio in NFL history.
In December 2008, he became the fastest player in NFL history to have 500 receptions. On January 3, 2009, in his first post-season game, against the Atlanta Falcons in the wildcard round, Boldin had a 71-yard catch and run for a touchdown. In the Super Bowl XLIII loss to the Pittsburgh Steelers, Boldin caught 8 passes for 84 yards.
On May 26, 2009, according to ESPN's Mike Sando, Anquan Boldin fired agent Drew Rosenhaus. He later hired agent Tom Condon.
On November 15, 2009 in a game against the Seattle Seahawks, Boldin became the fifth-fastest NFL player to record 7,000 receiving yards.
Anquan Boldin