![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Major_League_Baseball_logo.svg/800px-Major_League_Baseball_logo.svg.png)
Major League Baseball - Wikipedia
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://library.sportingnews.com/2021-08/cubs-cover-slide_kyufdw4p11ce175mg1a8mnqo2.jpg)
Know your NLCS visuals — Chicago Cubs edition
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://a3.espncdn.com/combiner/i?img=%2Fphoto%2F2015%2F0929%2Fmlb_ga_future_cr_1296x729.jpg)
Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://img.bleacherreport.net/img/slides/photos/004/389/584/9ee22c548d8425b9d3acf67ccd4c6f57_crop_exact.jpg?w=2975&h=2048&q=85)
The Coolest Throwback Jersey to Own for Each MLB Team, News, Scores, Highlights, Stats, and Rumors
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://farm1.staticflickr.com/399/19310444978_8255ff2a61_o.png)
Uni Watch - The best throwback uniform for each MLB team - ESPN
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](http://exhibits.baseballhalloffame.org/dressed_to_the_nines/images/nl_1973_chicago.gif)
Uni Watch: Cubs uni history - ESPN Page 2
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://pbs.twimg.com/media/C6k8b7oVwAAiZMd?format=jpg&name=4096x4096)
Paul Lukas on X: MLB logo was added to back of jerseys in 2000. Has different visual feel depending on whether jersey is plain, pinstriped, or has piping. / X
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://a.espncdn.com/combiner/i?img=%2Fphoto%2F2016%2F0722%2Fr106065_1296x729_16%2D9.jpg)
Uni Watch's Friday Flashback -- Where did the vests go? - ESPN
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://media.bleacherreport.com/f_auto,w_340,h_234,q_auto,c_fill/br-img-slides/004/389/589/hi-res-b00a273b2b54fcfb06ed87dd80250dd4_crop_exact.jpg)
The Coolest Throwback Jersey to Own for Each MLB Team, News, Scores, Highlights, Stats, and Rumors
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://cdn.uni-watch.com/app/uploads/2016/05/Screen-Shot-2016-05-09-at-7.38.30-PM.png)
A Look at Jersey Designs That Lean to One Side
![Paul Lukas on X: Cubs' blue alternate jersey includes National League logo sleeve patch. Only MLB jersey to include a league logo. Been there since 1997. / X](https://live.staticflickr.com/65535/49194247912_e91235fbf2_4k.jpg)
Gross: MLB Reveals Full Slate of Nike-fied Home Jerseys