Ohio State offensive coordinator Brian Hartline moves down to the sideline as head coach Ryan Day assumes primary play-calling duties for the Buckeyes’ College Football Playoff quarterfinal against Miami on New Year’s Eve. Day returns to calling plays for the first time in the 2025 season, marking a significant shift in offensive strategy heading into the Cotton Bowl. Hartline, who accepted the head coaching position at South Florida in December, will remain with Ohio State through the playoff run while Day takes command of the down-to-down decisions.
🔥 Quick Facts
- Ryan Day takes over offensive play-calling duties from Brian Hartline for the Cotton Bowl matchup
- The game is scheduled for Wednesday, December 31 at 7:30 p.m. ET at AT&T Stadium in Arlington
- Ohio State enters as the No. 2 seed with a 12-1 record while Miami is the No. 10 seed at 11-2
- Day previously held play-calling duties until last season when he relinquished them to former OC Chip Kelly
The Strategic Shift: Why Day Takes Back Play-Calling Duties
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Day has extensive experience calling plays as Ohio State’s former offensive coordinator under Urban Meyer before becoming head coach. The decision reflects confidence in Day’s ability to spark the offense during critical playoff moments. Urban Meyer publicly praised Day’s play-calling abilities after the announcement, describing him as an elite strategist in the passing game.
Day previously delegated play-calling responsibilities to focus on broader head coaching duties in 2024. However, the move to bring him back into the role demonstrates the team’s commitment to maximizing offensive efficiency. His background as a passing game architect aligns with Ohio State’s explosive aerial attack that ranked among the nation’s best during the regular season.
Brian Hartline’s New Role and Future Plans
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Hartline, an Ohio State alum and former NFL receiver, will transition to coaching wide receivers exclusively on the sideline. He accepted the South Florida head coaching position on December 3, 2025, but committed to finishing the playoff run with the Buckeyes. His eight seasons at Ohio State saw him develop some of college football’s most talented receiver rooms.
The 38-year-old former Miami and Cleveland receiver spent seven years in the NFL before transitioning to coaching at his alma mater in 2017. His contributions included helping engineer Ohio State’s national championship victory in 2024. Hartline’s move to South Florida represents a significant step in his coaching career while allowing him to maintain loyalty to Ohio State through the postseason.
Ohio State’s Offensive Performance This Season
| Metric | Ranking/Stat |
| Scoring Offense | No. 13 nationally with 37.0 points per game |
| Overall Record | 12-1 entering College Football Playoff |
| CFP Seed | No. 2 seed with first-round bye |
| Previous Championship | 2024 National Champions defending title |
Miami Hurricanes Enter as Dangerous 10-Seed Challenge
The No. 10-seeded Miami Hurricanes bring an 11-2 record into the Cotton Bowl with aspirations of upsetting the defending national champions. The Hurricanes’ defense will need to pressure Ohio State’s elite playmakers and disrupt the timing of plays. Ohio State is favored by 9.5 points according to the latest betting odds, suggesting confidence in the Buckeyes’ superior talent.
The teams last met on September 17, 2011, when Miami defeated Ohio State 24-6 in the Sunshine State. The Buckeyes hold a 3-2 series advantage all-time and look to extend their dominance in the matchup. Fresh leadership change and Miami’s late-season surge provide intrigue for what figures to be a pivotal quarterfinal contest.
What Does Ryan Day’s Play-Calling Return Mean for the Playoff Run?
Day’s decision signals potential mid-course adjustments to Ohio State’s offensive approach. As a former offensive coordinator under Meyer, Day understands the complexity of managing downfield concepts while managing clock situations. His involvement could unlock more aggressive passing plays and creative route combinations that showcase the Buckeyes’ receiver talent.
The Buckeyes had three and a half weeks to prepare for Miami after the Big Ten Championship Game, providing ample time for Day to install his preferred offensive packages. Whether this shift impacts quarterback performance and receiver targets will be closely monitored throughout the playoff. Day’s proven track record as an offensive architect suggests Ohio State’s offense could be significantly improved under his direct leadership.
The Cotton Bowl represents the first critical test of this coaching adjustment. Victory would propel the Buckeyes toward advancing in the playoff bracket, while a loss would raise questions about whether the play-calling change came too late in the season.
Michael Brown is a seasoned sports journalist bringing years of experience covering professional athletics and sporting culture. With a keen eye for breaking stories and player dynamics, this veteran journalist delivers in-depth analysis and exclusive insights from the world’s biggest sporting events. His passion for the game shines through in every story, keeping fans connected to the action both on and off the field.