![Sierra Canyon running back Anthony Spearman is tripped up in first half.](https://ca-times.brightspotcdn.com/dims4/default/bdcd7f2/2147483647/strip/true/crop/3173x2115+0+1/resize/2000x1333!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fa2%2F5d%2F66e4f5dd419f81fc4253a8fc0b90%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_12_RCG.jpg)
Sierra Canyon running back Anthony Spearman is tripped up by St. John Bosco defenders during a drive in the first half at Panish Family Stadium in Bellflower.
(Robert Gauthier/Los Angeles Times)
Chatsworth Sierra Canyon made its debut as a Division 1 team against Trinity League powerhouse Bellflower St. John Bosco on Saturday night.
![St. John Bosco running back Rayshon Luke hauls in a long pass.](https://ca-times.brightspotcdn.com/dims4/default/3228c6b/2147483647/strip/true/crop/2808x1873+0+0/resize/2000x1334!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fa9%2F04%2F0d4528b44443aa0115165be756fa%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_18_RCG.jpg)
St. John Bosco running back Rayshon Luke hauls in a long pass during the first half.
(Robert Gauthier/Los Angeles Times)
The Trailblazers scored first in the season-opening game, but the Braves led by seven points at halftime before pulling away for a 42-21 victory.
![St. John Bosco linebacker Andrew Simpson sacks Sierra Canyon quarterback Daniel Duran in the first half.](https://ca-times.brightspotcdn.com/dims4/default/b0bfcf2/2147483647/strip/true/crop/2228x2622+0+0/resize/2000x2354!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fae%2Feb%2F33439389455eb9fb3d16bca87b21%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_9_RCG.jpg)
(Robert Gauthier/Los Angeles Times)
![St. John Bosco running back Rayshon Luke breaks through the line for a touchdown run.](https://ca-times.brightspotcdn.com/dims4/default/c41f9e2/2147483647/strip/true/crop/3000x2000+0+0/resize/2000x1333!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F59%2F6c%2F4c757099467fa74906ec972cbdd6%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_4_RCG.jpg)
(Robert Gauthier/Los Angeles Times)
![St. John Bosco kick returner Rayshon Luke is brought down by Sierra Canyon defensive back Elias Larry.](https://ca-times.brightspotcdn.com/dims4/default/fb77987/2147483647/strip/true/crop/3000x2007+0+0/resize/2000x1338!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fcc%2Fd3%2Ff920025840f99f2073343a94751e%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_6_RCG.jpg)
(Robert Gauthier/Los Angeles Times)
![St. John Bosco running back Jabari Bates fumbles the ball.](https://ca-times.brightspotcdn.com/dims4/default/2c15132/2147483647/strip/true/crop/3368x2245+0+0/resize/2000x1333!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fb6%2F50%2F052487bb46e4a6e84b447e338bce%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_3_RCG.jpg)
(Robert Gauthier/Los Angeles Times)
![Sierra Canyon players enter the field before taking on St. John Bosco at Panish Family Stadium.](https://ca-times.brightspotcdn.com/dims4/default/0e492b5/2147483647/strip/true/crop/3272x2181+0+0/resize/2000x1333!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fc5%2Fb8%2F8495d1454d5f9fe4399308275f6c%2Fla-photos-1staff-729792-sp-0313-st.john_bosco_5_RCG.jpg)
(Robert Gauthier/Los Angeles Times)
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