Coach Grajeda, begins his 6th year as the skipper of the Thunderbirds and 25th year coaching baseball in California. Under Coach Grajeda, Yucaipa has continued the legacy left by Hall of Fame Coach, Jeff Stout. In Grajeda's first season, Yucaipa won a 2018 CIF-SS D2 Title and set the school's most wins mark for a single-season w/a 28-5 overall record. For the programs efforts, he was named "COACH OF THE YEAR" in 2018 by the San Bernardino County Sun, Inland Empire Baseball Coaches Association and by CIF-SS as the "D2 Coach of the Year". In 5 years under Coach Grajeda, Yucaipa is 100-36, w/4 Citrus Belt League Titles (2020 season cancelled due to COVID), ranked as high as #5 nationally by "Baseball America", took the Thunderbirds to the prestigious NHSI (National High School Invitational) in Cary, NC hosted by USA Baseball in 2022, placed 3rd in the Boras Classic Tournament in 2019, led the 2019 CIF-SS D1 ranks in Hitting w/a  .347 BA (MaxPreps) and produced the 2018 CIF-SS D2 & CalHiSports (Medium Schools) "PLAYER OF THE YEAR" in Tyson Heaton.

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One of Coach Grajeda's goals is to help promote and place players on to colleges...currently the Yucaipa Baseball Program has seen 25 student-athletes move on to college baseball rosters; 15 of those players have been D1 commits. "I'm a firm believer in rewarding student-athletes that create a body of work on the field and in the classroom. We feel it's this program's main focus to 'develop character and instill a skillset that will translate at the four-year level and in life'. We want our players to become successful leaders, husbands, fathers and men."

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Coach Grajeda lives in the City of Yucaipa and is a member of the American Baseball Coaches Association (ABCA), National High School Baseball Coaches Association (NHSBCA), California Baseball Coach Association (CBCA) and was recently named as President of the Inland Empire Baseball Coaches Association (IECBA).