Former Red Sox closer Uehara signs with Japanese club
Pebble Hunting: Why Koji Uehara? - Baseball ProspectusBaseball Prospectus
Red Sox closer Koji Uehara named to AL All-Star team
Koji Uehara: one of the biggest winners in baseball history retires - World Baseball Softball Confederation - Tokyo 2020 Olympic Baseball Europe Africa Qualifier
In Koji Uehara, Red Sox stumbled into elite closer
Pebble Hunting: Why Koji Uehara? - Baseball ProspectusBaseball Prospectus
Koji Uehara, , - Fantasy Baseball News, Stats
Mets' Kodai Senga gets relief from talk with Koji Uehara - Newsday
Boston Red Sox interested in re-signing closer Koji Uehara - Sports Illustrated
Koji Uehara of Boston Red Sox to be re-evaluated after early exit - ESPN