![High school teammates Lucas Giolito, Jack Flaherty face off](https://media.clickondetroit.com/photo/2019/10/04/Jack%20Flaherty%20and%20Mike%20Foltynewicz%20NLDS_1570198510642.jpg_22357493_ver1.0_1280_720.jpg)
Jack_Flaherty
![High school teammates Lucas Giolito, Jack Flaherty face off](https://assets-cms.thescore.com/uploads/image/file/476193/cropped_GettyImages-1345735142.jpg?ts=1635880154)
Giolito, Flaherty attending Game 6 to support high school teammate Fried
![High school teammates Lucas Giolito, Jack Flaherty face off](https://www.chicagotribune.com/resizer/anTW1G49Z-RjZMXduug1xIGxXXI=/arc-anglerfish-arc2-prod-tronc/public/VWNO3KPU5NEHNOWQONEZUOT5WY.jpg)
Lucas Giolito to face Jack Flaherty, his ex-high school teammate
![High school teammates Lucas Giolito, Jack Flaherty face off](https://dims.apnews.com/dims4/default/e0b7fca/2147483647/strip/false/crop/3000x2000+0+0/resize/1486x991!/quality/90/?url=https%3A%2F%2Fstorage.googleapis.com%2Fafs-prod%2Fmedia%2Fc238033858b24704b9a8576af6ec7b3a%2F3000.jpeg)
Welcome back, fans! MLB openers bring stars, hope and crowds
![High school teammates Lucas Giolito, Jack Flaherty face off](https://cloudfront-us-east-1.images.arcpublishing.com/gmg/CZWCW7ORRVBRBNHRHFBOT2UXUY.jpg)
LEADING OFF: Mariners-Angels penalties soon, Red Sox rolling
![High school teammates Lucas Giolito, Jack Flaherty face off](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/2SDUOSWW4FAGRDSCXDEEKQYCYI.jpg?_a=ATAK9d60)
Jack_Flaherty
![High school teammates Lucas Giolito, Jack Flaherty face off](https://cdn.theathletic.com/app/uploads/2021/05/25091258/GettyImages-1315082060.jpg)
Lucas Giolito and Jack Flaherty are living out their high school dreams in White Sox-Cardinals major league duel - The Athletic
![High school teammates Lucas Giolito, Jack Flaherty face off](https://wgntv.com/wp-content/uploads/sites/5/2021/05/giolito-flaherty.png)
Lucas Giolito faces high school teammate Jack Flaherty in Sox-Cardinals game
![High school teammates Lucas Giolito, Jack Flaherty face off](https://www.si.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTk5NjQ4MzA0NTM4MDY4MDcx/usatsi_21014723_168399444_lowres.jpg)
Lucas Giolito Trade to Angels Reduces Mike Hazen's Options - Sports Illustrated Arizona Diamondbacks News, Analysis and More
![High school teammates Lucas Giolito, Jack Flaherty face off](https://static01.nyt.com/images/2020/08/26/sports/26kepner/26kepner-mediumSquareAt3X.jpg)
Lucas Giolito's No-Hitter Is a Triumph for a Rebuilt Pitcher - The New York Times
![High school teammates Lucas Giolito, Jack Flaherty face off](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/AMPGRYW4WVDFJLBMG2BDRHYMYU.jpg?_a=ATAPphC0)
Nolan_Arenado
![High school teammates Lucas Giolito, Jack Flaherty face off](https://www.sportsnet.ca/wp-content/uploads/2023/07/Lucas-Giolito.jpg)
Angels acquire pitchers Lucas Giolito, Reynaldo Lopez from White Sox for prospects
![High school teammates Lucas Giolito, Jack Flaherty face off](https://cloudfront-us-east-1.images.arcpublishing.com/gmg/AISNHCEYHRFY5IAQYTG6MF2NKM.jpg)
LEADING OFF: Mariners-Angels penalties soon, Red Sox rolling
![High school teammates Lucas Giolito, Jack Flaherty face off](https://1.bp.blogspot.com/-t9TVoEQvaSA/YK3EU5R3H_I/AAAAAAAAFSo/O9kcAj8-g-4m_s1dMMyodG-nIc8fh8migCLcBGAsYHQ/s1902/giolito.jpg)
The Baseball Kid: Lucas Giolito beats former high school teammate Jack Flaherty in high-profile pitching matchup
![High school teammates Lucas Giolito, Jack Flaherty face off](https://img.mlbstatic.com/opprops-images/image/private/t_16x9/opprops/k1enanxkgbq6zsnnsf3i.jpg)
Three-Peat Complete: Orange Lutheran Defeats Harvard-Westlake 6-2 for Third Straight NHSI Title