Grigg made his debut for Richmond in Round 1 of the 2011 season in a match against his former club Carlton at the MCG.

He finished his first season at Richmond having played 21 games and recording an average  of 22 disposals per game.
It was a then-career best year in all major statistical categories including total disposals, marks, tackles and goals.

In 2012 Grigg was one of the most improved players in the league.
He kicked a career-best three goals in a Round 7 clash with Sydney.
He played all 22 matches that season and recorded a career best 561 disposals, good for fourth best at the club.
He finished in fifth place in the club'sbest & fairest award, receiving the Kevin Bartlett Medal for his efforts.
Grigg also polled a career best 11 votes in the Brownlow Medal, placing third at the club that season.

He would again play all possible matches in 2013, including a role in his first final at Richmond; a loss against former club Carlton.
He polled 5 votes in the Brownlow medal count that year, placing equal fifth of all Richmond players that season.

2014 saw Grigg's first injury affected season at Richmond.
After playing in the club's first 10 matches, he went on to miss the next eight due to a hamstring injury sustained in a Round 11 match-up with Essendon.

He again played in the club's finals campaign, kicking a goal in an elimination final defeat at the hands of Port Adelaide.
Grigg played as a tagger for much of the season.
He finished the season having played 15 games, his lowest total in his time at Richmond.

In 2015 Grigg would return to form, playing in all possible matches for the third time in four seasons.
As a contested-ball player, he led the club for tackles that year, with a career-best total of 98 across 23 matches.
His performance in Round 15 was particularly praiseworthy, with Grigg picking up the second-most coaches votes of any Tiger for his 25 disposal and seven clearance effort.
He played his 100th match for Richmond that year, in a Round 20 match against Gold Coast.

Grigg played parts of the 2016 season in a new role as an inside midfielder.
In the 2016 pre-season Grigg suffered a fractured left thumb.
He defied initial expectations to return to fitness for the club's Round 2 match against Collingwood, missing just one match in the process.
Grigg recorded a career-high 38 disposals in Richmond's Round 11 loss to North Melbourne.
He went on to play in a total of 20 matches that season.
Grigg earned his second Kevin Bartlett Medal in 2016, after placing fourth at the club for disposals, tackles and clearances as well as second in inside 50 entries.

In 2017, Richmond coach Damien Hardwick labelled Grigg the smartest footballer at Richmond, noting his ability to 'read the game' a fraction faster than others.
By that season he was the oldest player in Richmond's regular AFL team and the second oldest contracted player at the club behind only Ivan Maric.

Grigg suffered a hamstring strain in the lead-up to round 7, 2018 and missed that match as a result.
He was considered a "touch and go" chance to play the following week but ultimately missed his second straight match.
He made his return in round 9, called up as a late-replacement for first-year forward Jack Higgins.

On 14 May 2019, Grigg announced his immediate retirement from AFL football, having failed to play a match at any level that season due to persistent knee and hip injures.
His decision to retire mid-season allowed Richmond a list spot to use at the 2019 mid-season rookie draft, which was used to recruit eventual 2019 premiership player Marlion Pickett.

He concluded his career having played 214 AFL matches.
Grigg made his debut for Richmond in Round 1 of the 2011 season in a match against his former club Carlton at the MCG.
He finished his first season at Richmond having played 21 games and recording an average  of 22 disposals per game. It was a then-career best year in all major statistical categories including total disposals, marks, tackles and goals.
In 2012 Grigg was one of the most improved players in the league. He kicked a career-best three goals in a Round 7 clash with Sydney. He played all 22 matches that season and recorded a career best 561 disposals, good for fourth best at the club. He finished in fifth place in the club'sbest & fairest award, receiving the Kevin Bartlett Medal for his efforts. Grigg also polled a career best 11 votes in the Brownlow Medal, placing third at the club that season.
He would again play all possible matches in 2013, including a role in his first final at Richmond; a loss against former club Carlton. He polled 5 votes in the Brownlow medal count that year, placing equal fifth of all Richmond players that season.
2014 saw Grigg's first injury affected season at Richmond. After playing in the club's first 10 matches, he went on to miss the next eight due to a hamstring injury sustained in a Round 11 match-up with Essendon.
He again played in the club's finals campaign, kicking a goal in an elimination final defeat at the hands of Port Adelaide. Grigg played as a tagger for much of the season. He finished the season having played 15 games, his lowest total in his time at Richmond.
In 2015 Grigg would return to form, playing in all possible matches for the third time in four seasons. As a contested-ball player, he led the club for tackles that year, with a career-best total of 98 across 23 matches. His performance in Round 15 was particularly praiseworthy, with Grigg picking up the second-most coaches votes of any Tiger for his 25 disposal and seven clearance effort. He played his 100th match for Richmond that year, in a Round 20 match against Gold Coast.
Grigg played parts of the 2016 season in a new role as an inside midfielder. In the 2016 pre-season Grigg suffered a fractured left thumb. He defied initial expectations to return to fitness for the club's Round 2 match against Collingwood, missing just one match in the process. Grigg recorded a career-high 38 disposals in Richmond's Round 11 loss to North Melbourne. He went on to play in a total of 20 matches that season. Grigg earned his second Kevin Bartlett Medal in 2016, after placing fourth at the club for disposals, tackles and clearances as well as second in inside 50 entries.
In 2017, Richmond coach Damien Hardwick labelled Grigg the smartest footballer at Richmond, noting his ability to 'read the game' a fraction faster than others. By that season he was the oldest player in Richmond's regular AFL team and the second oldest contracted player at the club behind only Ivan Maric.
Grigg suffered a hamstring strain in the lead-up to round 7, 2018 and missed that match as a result. He was considered a "touch and go" chance to play the following week but ultimately missed his second straight match. He made his return in round 9, called up as a late-replacement for first-year forward Jack Higgins.
On 14 May 2019, Grigg announced his immediate retirement from AFL football, having failed to play a match at any level that season due to persistent knee and hip injures. His decision to retire mid-season allowed Richmond a list spot to use at the 2019 mid-season rookie draft, which was used to recruit eventual 2019 premiership player Marlion Pickett.
He concluded his career having played 214 AFL matches.
Shaun Grigg