![Steven Matz' family celebrated is major league debut! Love Grandpa](https://cdn.newsday.com/image-service/version/c:NDM4OTA5MWYtNzM1Zi00:OGMzMjc3/chuck-schilling-mlb-li.jpg)
Steven Matz's grandfather, Bert Moller, has become a star, too - Newsday
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Steven_Matz_pitching_in_his_debut.jpg/220px-Steven_Matz_pitching_in_his_debut.jpg)
Steven Matz - Wikipedia
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://image.nj.com/home/njo-media/pgmain/img/njcom_photos/photo/2015/06/28/-7ba4f336e8d82d38.JPG)
Mets' Steven Matz's grandpa went viral and he has no idea what it means
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://i.ytimg.com/vi/GKSkTZP4Qzw/sddefault.jpg)
Steven Matz collects three hits, four RBIs in his Major League debut
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://image.nj.com/home/njo-media/pgfull/img/njcom_photos/photo/2015/06/28/-e3381158ee02b74c.JPG)
Mets' Steven Matz's grandpa went viral and he has no idea what it means
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://image.nj.com/home/njo-media/pgmain/img/njcom_photos/photo/2015/06/28/-b9df4c7ef555f298.JPG)
Mets' Steven Matz's grandpa went viral and he has no idea what it means
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://thumb.spokesman.com/FM84O11duZ_S7xWCno87HPjyvV8=/2500x2500/smart/media.spokesman.com/photos/2015/06/28/AP_297046922226.jpg)
Steven Matz set to debut for Mets in major league homecoming
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://img.mlbstatic.com/mlb-images/image/private/q_40,w_2400,ar_16:9,c_fill,g_auto,f_jpg/mlb/eyp1cci7tabmucopr3rd)
Steven Matz exits game in 1st, 05/22/2022
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://nypost.com/wp-content/uploads/sites/2/2016/02/matz.jpg?quality=75&strip=all&w=1024)
Steven Matz's busy offseason: charity, grandpa Bert, country-singing girlfriend
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://pbs.twimg.com/ext_tw_video_thumb/1277220424280166400/pu/img/BfCC7hTk5Q7tVCr9?format=jpg&name=large)
Mathew Brownstein on X: Steven Matz's grandfather, Bert Moller, is a national treasure. #Mets #LGM / X
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://img.mlbstatic.com/mlb-images/image/private/t_2x1/t_w1536/mlb/rmnp5pwx6dyiyjk9it5l.jpg)
Steven Matz talks father's impact on his career
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://cdn.newsday.com/image-service/version/c:NDczNmIwODQtZjBhYS00:NjJjNzYz/spmets.jpg)
Steven Matz's grandfather, Bert Moller, has become a star, too - Newsday
![Steven Matz' family celebrated is major league debut! Love Grandpa](https://image.nj.com/home/njo-media/pgmain/img/njcom_photos/photo/2015/06/28/-2de09d0a1c77eddc.JPG)
Mets' Steven Matz's grandpa went viral and he has no idea what it means