By Ross Dellenger A letter sent to conference commissioners urged them to utilize bowl venues instead of on-campus games for the first round of the new playoff. Bowl Season officials are still hoping that an expanded College Football Playoff incorporates more of its games. In a letter sent to conference commissioners, Bowl Season executive director Nick Carparelli encouraged conference leaders to play first-round games at bowl sites instead of on-campus venues, providing a list of reasons for such a move. In an interview Friday, Carparelli confirmed that the organization sent the letter and re…