What is the fine-grained topic of the following text: In addition to winning a ring with the Patriots team that beat Seattle in Super Bowl XLIX, DeGuglielmo — a four-year football player at Boston University and 13-year NFL coach — was the assistant offensive line coach for the Giants team that ended the Patriots’ undefeated season in Super Bowl XLII. Only return the topic.
DeGuglielmo's career as an NFL coach