The Diamond Pegasus were Jōshin'etsu Division winners from 2008–2010; they won the Baseball Challenge League championship in 2009.
Venezuelan left-hander Robert Zarate pitched for Gunma in 2010 before signing with Nippon Professional Baseball's Hanshin Tigers.
[1] Long-time NPB reliever Soichi Fujita pitched for Gunma in 2012, as did French players Frédéric Hanvi and Felix Brown.
[2] The 2014 Diamond Pegasus roster had a strong Venezuelan flavor: Long-time Nippon Professional Baseball slugger Alex Ramírez played for the team as a player-coach, hitting .305 with 7 home runs and 38 RBI in 45 games.
[3] Fellow countrymen and also former NPB players Levi Romero and Robert Zarate (who returned to the team after three seasons with Hanshin) were also on the 2014 squad.