Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Buccaneers bringing Gronk back was more important than you might think - Bucs Nation
Gronk Injury: Will Rob Gronkowski Play Sunday Against Patriots? – NBC Boston
Is Rob Gronkowski Throwing Shade At Patriots In Farewell Post To Danny Amendola? - CBS Boston
Rob Gronkowski return: Buccaneers coach Todd Bowles still uncertain whether tight end will play in 2022
Tom Brady dropped massive hint over NFL future 24 hours before retirement announcement - Mirror Online
Rob Gronkowski says he would need a month of training to come out of retirement
Rob Gronkowski drops comeback hint during debut as Fox Sports analyst - The Washington Post
Rob Gronkowski drops major hint regarding his NFL future
Rob Gronkowski thinks fellow Patriots TE Dwayne Allen is “going to turn the corner soon.” - Pats Pulpit
NFL News Roundup: Rob Gronkowski drops hint on return
Things of that nature: Up in the club against Rob Gronkowski - Pride Of Detroit
Film Review: Analyzing Rob Gronkowski's Week 1 Performance - Pats Pulpit
Who is Rob Gronkowski and why is he retiring?