Advance Scouting/Replay Coordinator
Bill Duplissea is in his 20th season with the Royals, serving as the Major League Advance Scouting and Instant Replay Coordinator. He started with the club as the bullpen catcher in 2006, before adding the advance scouting duties in 2012. In his current role, he works closely with the coaching staff in scouting upcoming opponents.
His in-game duties include coordinating the Royals instant replay challenges. Duplissea was successful on 28 of his 43 challenges in 2023 (65.1%), which tied for the 4th-best rate in the Majors and well above the Major League average of 48.5%. The Royals have finished in the top four in replay success rate in seven of the last nine seasons, including a 78.6 success rate in 2018, which is the best single-season rate by any team since 2015. Since Instant Replay was implemented for the 2014 season, the Royals 65.6% success rate on challenges is the best in the Majors.
Prior to joining the Royals, Duplissea spent 2004 and 2005 as an assistant coach at the College of San Mateo, helping lead the Bulldogs to conference championships in both seasons. Before his coaching career, Duplissea caught for five seasons in the Los Angeles Dodgers organization, reaching Triple-A Albuquerque in 2000. He was a standout player at the college level for both the College of San Mateo, playing under former Royals Pitching Coach, Bob McClure, and the University of California-Santa Barbara. Duplissea resides in San Carlos, Calif., during the offseason, with his son, Billy.