Grissom was released by the Saints on Friday, Mike Triplett of ESPN.com reports.
Grissom was looking to earn a depth role with the Saints, after suiting up in 37 games for the Patriots the past four seasons. The 27-year-old will hope to latch on as a special teams contributor and depth defensive lineman with another team in the league.
Grissom signed a contract with the Saints on Monday, according to the team's official site.
Grissom was originally drafted by the Patriots in the third round of the 2015 NFL Draft. He was then released by New England in November after appearing in only four games during the 2018 season. A playoff stint with the Colts followed, but wasn't enough to keep the defensive end around long term. He'll now look to make New Orleans his new home as he aims to secure a depth role on the defensive line.
Grissom signed a contract with the Colts on Tuesday.
Grissom started the season with the Patriots, who drafted him in the third round of the 2015 NFL Draft. The 26-year-old suited up in four games this year, making just one tackle in a majority special-teams role. Grissom was brought in for depth since starting defensive ends Jabaal Sheard and Tyquan Lewis are both battling knee injuries.
The Patriots released Grissom on Tuesday, Field Yates of ESPN reports.
Grissom -- along with Cole Croston -- was released to make room for Obi Melifonwu and Albert McClellan on the 53-man roster. Grissom appeared in four games for the Patriots this season, totaling just one tackle.
Grissom (ankle) is officially active for Sunday's game against the Packers.
Grissom was listed as questionable after being a limited practice participant this week but is apparently set to go Sunday night. The 26-year-old should assume his usual special-teams heavy role against Green Bay.
Grissom (ankle) is questionable for Sunday's game against the Packers, Mike Reiss of ESPN.com reports.
Grissom has been limited in practice all week due to the lingering ankle injury which has caused him to miss four consecutive games. Mostly a special teams asset, Grissom is unlikely to see many defensive snaps even if he's able to suit up for Sunday's matchup against Green Bay.
Grissom (ankle) is ruled out for Monday's game against the Bills.
Grissom will miss his fourth game in a row due to a lingering ankle injury. The fourth-year pro's absence is unlikely to have a large impact on New England's defense, considering that Grissom has played the majority of his snaps on special teams.
Grissom (ankle) was downgraded to out for Sunday's game against the Bears.
Grissom will miss his third straight after originally being listed as questionable. The 26-year-old mostly sees special-teams duty and has one assisted tackle on the season.
Grissom (ankle) is questionable for Sunday's game against the Bears.
Grissom has missed two consecutive games due to an ankle injury, but appears to be progressing in his recovery. If the fourth-year pro suits up he'll likely play the majority of his snaps on special teams.
Grissom (ankle) is inactive for Sunday night's game against the Chiefs.
Grissom will sit out for the second week in a row. He has just one assisted tackle on the year while seeing mostly special-teams duty.
Grissom (ankle) is inactive for Thursday's game against the Colts.
Grissom was able to participate in a limited fashion throughout the week, but he will nonetheless remain sidelined during Thursday Night Football. With Derek Rivers (coach's decision) also inactive, expect Deatrich Wise to serve as the primary backup to defensive end Adrian Clayborn.
Grissom was signed to the Patriots' 53-man roster Saturday, Field Yates of ESPN reports.
Grissom was cut by the Patriots in the start of November and rejoins a teams still dealing with injuries on the defensive line. Trey Flowers (ribs) has been ruled out for Sunday's game against the Bills, so this could be the 25-year-old's best opportunity to make an impact defensively.
The Patriots released Grissom on Thursday.
Grissom's dismissal frees up a roster spot for tight end Martellus Bennett, who was claimed off waivers from the Packers. In four games with the Patriots this season, Grissom managed just one tackle across 85 snaps (82 on special teams).
Grissom was signed to the Patriots' 53-man roster Friday, Jeff Howe of the Boston Herald reports.
Grissom replaces Vincent Valentine (knee) on the Patriots roster, who was placed on injured reserve. The 25-year-old will likely only be a depth piece for New England's defensive line at this point.
Grissom was promoted to the Patriots' active roster on Saturday, Mike Reiss of ESPN reports.
Grissom was with the Patriots in the preseason and signed to the practice squad after failing to make the opening week roster. He'll be a depth option at defensive end and help out on special teams.