![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://assets-varnish.triblive.com/2023/01/5769546_web1_ptr-PenguinsPhotos-010323-6.jpg)
Photo gallery: Penguins, Bruins take the ice for Winter Classic at Fenway Park
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://media.d3.nhle.com/image/private/t_ratio16_9-size50/prd/naxlsyobraukfk6sci0a.jpg)
Pastrnak pays homage to Red Sox, Ortiz with Winter Classic equipment
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://www.boston.com/wp-content/uploads/2022/12/K3RGICG26DA7MBN43H73FRPABU-63adb108e72a0-scaled.jpg)
2023 Winter Classic: Guide to the Bruins-Penguins game at Fenway Park
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://nypost.com/wp-content/uploads/sites/2/2023/01/winter-classic-091.jpg?quality=75&strip=all&w=878)
Bruins, Penguins rock vintage baseball uniforms at Winter Classic
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://bdc2020.o0bc.com/wp-content/uploads/2023/01/Bruins-63b312f8f2782.png)
Bruins arrive at Fenway Park in vintage Red Sox jerseys ahead of 2023 Winter Classic
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://a.espncdn.com/photo/2023/0102/r1113002_1296x729_16-9.jpg)
Penguins-Bruins - Sights from Winter Classic at Fenway Park - ESPN
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://www.yardbarker.com/media/4/e/4efc1f40bcc79509dac2946c699c2cfaeb37f350/thumb_16x9/watch-bruins-penguins-players-rock-old-school.jpg?v=1)
Watch: Bruins, Penguins players rock old school baseball uniforms before Winter Classic
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://www.masslive.com/resizer/Ia4aXGb--cdWAFZcxqXasrckaPU=/1280x0/smart/cloudfront-us-east-1.images.arcpublishing.com/advancelocal/BVVV2XHMANCYRC7BX5KFPOUKCQ.jpeg)
Winter Classic Jerseys: Bruins, Penguins unveil sweaters for Fenway game
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://lookaside.instagram.com/seo/google_widget/crawler/?media_id=3002146005307513398)
A Winter Classic veteran and first-timer – Foligno and Dumoulin gear up for fun at Fenway
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://cdn.theathletic.com/app/uploads/2023/01/01113754/BruinsWinterClasic.jpeg)
2023 Winter Classic odds, jerseys: Expert picks for Penguins vs. Bruins at Fenway Park - The Athletic
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://s.hdnux.com/photos/01/30/77/03/23326972/3/rawImage.jpg)
NHL roundup: DeBrusk leads Bruins past Penguins in Winter Classic
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://bloximages.newyork1.vip.townnews.com/berkshireeagle.com/content/tncms/assets/v3/editorial/a/49/a49aca40-8afa-11ed-9fc5-0fe5eb10728c/63b3724c9e85b.image.jpg?resize=1396%2C1047)
Howard Herman: Back at Fenway Park for hockey, Sports
![Winter Classic 2023: Bruins, Penguins sport old-time baseball uniforms](https://img.mlbstatic.com/mlb-images/image/upload/t_2x1/t_w1536/mlb/vd1zyqmrkztednots5r0.jpg)
Bruins and Penguins wear baseball uniforms to Winter Classic 2023