![Arizona Cardinals Jersey Countdown: History of No. 21](https://assets-varnish.triblive.com/2020/06/2689885_web1_GTR-Steelers49-012317.jpg)
Burgh's Best to Wear It, No. 92: James Harrison evolved into dominant defender
![Arizona Cardinals Jersey Countdown: History of No. 21](https://cdn.vox-cdn.com/thumbor/G39Q-TBsp37iFqGnLsOwOWCfKf4=/0x0:2410x3606/1200x800/filters:focal(866x878:1250x1262)/cdn.vox-cdn.com/uploads/chorus_image/image/55250683/2717240.0.jpg)
Countdown to New Orleans Saints Kickoff: A History of No. 89 - Canal Street Chronicles
![Arizona Cardinals Jersey Countdown: History of No. 21](https://cdn.vox-cdn.com/thumbor/lAYPWsrokjSxIEgb6odhoP8TKXs=/803x236:3710x2291/1200x800/filters:focal(1927x931:2607x1611)/cdn.vox-cdn.com/uploads/chorus_image/image/72484917/1245685764.0.jpg)
The Cardinal Countdown37 Days Until Kickoff - Card Chronicle
![Arizona Cardinals Jersey Countdown: History of No. 21](https://arizonasports.com/wp-content/uploads/2022/05/GettyImages-1350329327-scaled-e1652123160688.jpg)
Arizona Cardinals reveal new jersey numbers for 2022 NFL Draft class
![Arizona Cardinals Jersey Countdown: History of No. 21](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Larry_Fitzgerald_2017.jpg/640px-Larry_Fitzgerald_2017.jpg)
Larry Fitzgerald - Wikipedia
![Arizona Cardinals Jersey Countdown: History of No. 21](https://www.tristatehomepage.com/wp-content/uploads/sites/92/2023/10/6535ccf98233e9.92827339.jpeg)
Phillies turn to pending free agent Aaron Nola to pitch them past Arizona and into World Series
![Arizona Cardinals Jersey Countdown: History of No. 21](https://external-preview.redd.it/highlight-today-marks-77-days-until-the-2023-nfl-season-v0-a2xoeG9kaHFnazdiMYcocx2NPPb3smLQHPYSkVf-XEdjP6370VDmYgnCukSx.png?format=pjpg&auto=webp&s=00229d01fdd5aeecd42320f1906afe800ed4ba87)
Highlight] Today marks 77 days until the 2023 NFL Season Starts! In honor of A.J. Green retiring, let's remember his last career TD. It was a 77 yard TD pass from David
![Arizona Cardinals Jersey Countdown: History of No. 21](https://cdn.vox-cdn.com/thumbor/gwdLVAq0Eo80gBJDM3KfUswF_YE=/0x391:2016x1735/1400x933/filters:focal(0x391:2016x1735):no_upscale()/cdn.vox-cdn.com/uploads/chorus_image/image/47015780/GettyImages-338329.0.jpg)
2015 NFL countdown: 3 weeks left and a look at Cardinals jersey No. 21 - Revenge of the Birds
![Arizona Cardinals Jersey Countdown: History of No. 21](https://images2.minutemediacdn.com/image/upload/c_fill,w_1440,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/431dd21f08ef3faa2debb1e74a5041b922fdbbb42d84586927a001a477dae75e.jpg)
Buccaneers: Top Player to Wear Number 97
![Arizona Cardinals Jersey Countdown: History of No. 21](https://d3jycsk0m72ya7.cloudfront.net/images/2019/10/13/usc_trojans_football_arizona_wildcats_preview.jpg)
USC Football Returns to Coliseum to Host Arizona on Homecoming - USC Athletics
![Arizona Cardinals Jersey Countdown: History of No. 21](https://arizonasports.com/wp-content/uploads/2021/06/Kyler-Murray-cardinals.jpg)
Kyler Murray ranks 7th in NBC Sports Chris Simms' Top 40 QB Countdown
![Arizona Cardinals Jersey Countdown: History of No. 21](https://static.clubs.nfl.com/image/private/t_editorial_landscape_12_desktop/packers/y77exu2cberkvyqcskbz)
2021 countdown, jersey-style: A history of Packers to don No. 21
![Arizona Cardinals Jersey Countdown: History of No. 21](https://blog.siriusxm.com/wp-content/uploads/2023/10/Las-Vegas-Raiders-vs.-Detroit-Lions.png)
NFL SiriusXM