BORN: 8/25/75 - Virginia Beach, VA
AVIATORS SUMMARY: Fran Riordan was named the 25th manager in the history of the Las Vegas franchise (1983 - present, 39 seasons) on November 8, 2018.
CAREER SUMMARY: He has recorded 22 seasons overall in professional baseball and has been a member of the Oakland Athletics organization for the past eight seasons (2015-22). Riordan has compiled an overall managerial record over 21 seasons of 1,160-1,122 (.508).
2022: The Aviators compiled an overall record of 71-79 (.473) and finished in third place in the Pacific Coast League West Division.
2021: Riordan guided the Aviators to an overall record of 65-61 (.516) in Triple-A West (Western Division) and finished in third place. 2020: With the Minor League Baseball season canceled due to the COVID-19 pandemic, Riordan worked with the Athletics' 60-man player pool at the team's alternate training site located in San Jose, California. 2019: He was named Pacific Coast League Manager of the Year and led Triple-A Las Vegas to the second-best record in the 16-team PCL (83-57, .593) and a Pacific Southern Division Championship. Las Vegas returned to the playoffs for the first time since 2014 and lost to Sacramento, 3-games-to-2, in the conference championship series. The Aviators' record marked a single-season franchise record for winning percentage at .593 (140-game season).
2018: He made his Triple-A debut as manager with the Nashville Sounds of the Pacific Coast League and compiled an overall record of 72-68 (.514) and finished in second place in the American Southern Division behind the PCL and Triple-A National Champion, the Memphis Redbirds. Nashville compiled a PCL-best 15-game winning streak from July 29 - August 14. 2017: He compiled a record of 67-71 (.486) with Double-A Midland and his squad captured the Texas League Championship. The prior two seasons, he was the skipper of Single-A Beloit of the Midwest League (2015-16). Before joining the Oakland organization, Riordan spent four seasons as manager of the Florence Freedom of the Frontier League (2011-14). He led the team to two playoff berths and is the all-time Frontier League leader in wins with 625. He was a 2014 Frontier League Hall of Fame inductee. Prior to his time with Florence, he managed the Northern League's Lake County Fielders (2010) and Kalamazoo Kings for six seasons (2004-09), leading the Kings to the 2005 Frontier League title. He was named the 2008 Frontier League Manager of the Year. He also served as player-manager in the Frontier League from 2000-02, leading the Richmond Roosters to back-to-back-league championships in 2001 and 2002.
PROFESSIONAL PLAYING CAREER: The first baseman/outfielder played seven seasons of professional baseball in the Frontier League with Richmond (1997-98, 2001-02), Dubois County (1999-2000) and North Shore (2003). He appeared in 501 career games and batted .281 (525-for-1,869) with 95 doubles, 11 triples, 55 home runs and 349 RBI. He was a three-time All-Star (first base) from 2000-02 and hit a career-high .314 with Dubois County (2000) and Richmond (2002). He established career-highs in home runs (14) in 2001 and RBI (81) in 2002.
PERSONAL: Francis Peter Riordan (pronounced REAR-den) resides in Buffalo, New York. The Virginia Beach, Virginia, native attended Canisius High School in Buffalo and played college baseball at Allegheny College in Pennsylvania. Fran, 47, and his wife, Cassie, have three children: Brooke, Sadie and Trent.
BORN: 9/19/68 - Davis, CA
CAREER SUMMARY: McArn begins his 25th season overall in the Oakland Athletics organization. He returns to Triple-A Las Vegas for his third season. He will serve as hitting coach for his second season with the Aviators and was the assistant hitting coach in 2021.
MINOR LEAGUE COACHING CAREER: He had three stints as hitting coach for Single-A Stockton of the California League for a total of seven seasons (2011-12, 2014-15, 2018-2020); Triple-A Las Vegas of the Pacific Coast League for two seasons (2021-22); Double-A Midland of the Texas League hitting coach for four seasons (2004, 2013, 2016-17); Triple-A Sacramento of the Pacific Coast League for six seasons (2005-10); the A's former Single-A affiliate in Modesto of the California League where he served as hitting coach for six seasons (1998-2003). Prior to joining the A's organization, McArn spent one season as the hitting coach for Single-A Vermont of the New York-Penn League. He has been a minor league coach for a total of 24 seasons. He began his coaching career at American River Junior College in Sacramento, where he served as assistant coach.
PROFESSIONAL PLAYING CAREER: McArn was selected by the Athletics in the 26th round of June 1991 First-Year Player Draft. He spent two seasons in the A's organization before injuries ended his career in 1992.
PERSONAL: Brian D. McArn. He is a graduate of Davis High School (CA) and attended American River Junior College in Sacramento (1988-89) and University of Nebraska (1990-91). He makes his offseason home in Elk Grove, Calif., with his wife, Cancy, and four children: Brian, Bryson, Brevon and Braydon.
BORN: 10/21/73 - Thousand Oaks, CA
CAREER SUMMARY: Corey enters his seventh season overall in the Athletics organization and his first season with Triple-A Las Vegas as pitching coach. He previously served as pitching coach at Single-A Stockton of the California League in 2022 and in 2018.
MINOR LEAGUE COACHING CAREER: He served as pitching coach at Single-A Stockton of the California League for two seasons (2018, 2022). In 2021, he served as assistant pitching rehab coordinator and was pitching coach for the rookie-level Arizona A’s for two seasons (2019-2020). He also spent one season as pitching coach at Short-Season, Single-A Vermont of the New York-Penn League (2017). He also served as a Four Corners scout for Milwaukee (2015-16) and a Major League Advance scout for Cleveland (2013-14).
PROFESSIONAL PLAYING CAREER: He was originally drafted as a shortstop by Detroit in the 12th round of June 1993 First-Year Player Draft. He converted to a pitcher after two professional seasons. The right-hander spent the next 18 seasons on the mound and played in five Major League seasons with Arizona (1998), Los Angeles Dodgers (2002), Texas (2006), Boston (2006-08) and San Diego (2008). He was a member of the 2007 World Series champion Red Sox. He appeared in 91 career Major League games and posted a 4-4 record with a 5.13 ERA (98.1 IP/57 SO). Corey was a member of the Las Vegas 51s, Triple-A affiliate of the Los Angeles Dodgers, for two seasons (2002-03). He appeared in 97 career games for the 51s and posted a 9-9 record in 144.2 innings pitched and struck out 79 batters. He also played two seasons in Japan (2004, 2010), winning the Japan Series with Chiba Lotte during his second stint. Additionally, he pitched in both Korea and Taiwan before retiring after the 2012 season.
PERSONAL: Bryan Scott Corey. He is a native of Thousand Oaks, Calif., and is a graduate of Thousand Oaks High School. Corey resides in Phoenix, Ariz., and has two daughters, Brooke and Blair.
BORN: 10/4/70 - Honolulu, Hawai'i
CAREER SUMMARY: Takayoshi enters his second season overall in the Athletics organization and his first season with Triple-A Las Vegas as assistant hitting coach. In 2022, he served as hitting coach for Double-A Midland of the Texas League.
MINOR LEAGUE COACHING CAREER: He served as hitting coach in the Cincinnati Reds organization for six seasons (2016-21). Prior to that, he was assistant minor league hitting coordinator with the Los Angeles Dodgers from 2013-15. From 2002-12, Takayoshi served as a minor league hitting coach, catching coordinator, hitting coordinator and field coordinator with the Los Angeles Angels organization.
PROFESSIONAL PLAYING CAREER: He signed with the Los Angeles Angels as a free agent and played in the Angels organization for four seasons (1993-96) and for the Western League Reno Chukars for two seasons (1997-98).
PERSONAL: Todd M. Takayoshi. He is a native of Honolulu, Hawai'i and graduated from John F. Kennedy Memorial High School in Burien, Wash. He attended University of Hawai’i at Mānoa for four seasons (1988-91). He resides in Tacoma, Wash., with his wife, Saori, daughters, Taegan and Taryn, and son, Tommy.
Zdebiak enters his third season with Triple-A Las Vegas. He served as athletic trainer in 2021; assistant athletic trainer in 2022 and will serve as athletic trainer in the 2023 season.
Before joining Las Vegas, he was named athletic trainer for Double-A Midland of the Texas League in 2020. He served as athletic trainer for Single-A Stockton of the California League for three seasons (2017-2019). Prior to that, he was athletic trainer for Single-A Clinton in the Seattle Mariners organization in 2016 after serving as athletic trainer for Short-Season Everett from 2014-15, also in the Seattle system. Prior to joining the Mariners, he worked as the athletic trainer of the Winnipeg Goldeyes of the independent American Association from 2010-13 and two seasons with the Steinbach Pistons of the Manitoba Junior Hockey League.
Zdebiak graduated from the University of Manitoba in 2009 with a B.A. in kinesiology and is certified as an athletic therapist through the Canadian Athletic Therapists’ Association and as an athletic trainer through the National Athletic Trainers’ Association Board of Certification. A native of Gimli, Manitoba, Canada, the 37-year-old currently resides in Scottsdale, Ariz.
Comeau enters his first season in the Oakland Athletics organization and first campaign as assistant athletic trainer with Triple-A Las Vegas. In 2022, he served as athletic trainer in the New York Yankees organization for rookie-level Florida Complex League Yankees. He spent the previous seven seasons in the Atlanta organization (2015-21). He served as athletic trainer for Florida Complex League Braves in 2021 and served as infection control prevention coordinator for the Braves’ alternate site in 2020. He served four seasons as athletic trainer for Atlanta’s Single-A affiliate (2016-19) and one season with the Braves rookie-level affiliate in 2015. He previously worked in the Boston organization in 2012 as an assistant athletic trainer for Single-A Salem.
He attended Endicott College in Beverly, Mass., where he received his B.S. in athletic training in 2006 and received his M.S. in injury prevention and performance enhancement from California University of Pennsylvania in 2015.
Mosiman enters his seventh season overall in the Athletics organization and his second season with Triple-A Las Vegas as sport performance coach. He spent the 2021 campaign as sport performance coach with Double-A Midland of Double-A Central.
He spent the 2017 season with the Dominican Summer League A’s and 2018-19 with Single-A Stockton of the California League.
Prior to joining the A’s, Mosiman interned with Notre Dame, New Mexico State University and the University of Wisconsin, La Crosse. A graduate of La Crosse, he earned both his bachelor’s and master’s degrees from the institution. He grew up and currently resides in Oregon, Wis.