in 1970. He was their bullpen coach through , when he was released at the end of the season. In , Moore was hired by new Texas Rangers' manager Whitey Herzog as his first-base coach, beginning his first stint with the team. He was retained by Billy Martin when Martin took over as the Rangers' pilot in . After one season under Martin, the Rangers shifted Moore to manager of their Double-A farm team, the Pittsfield Rangers of the Eastern League, for . But on July 20, 1975, Martin was fired and replaced by third-base coach Frank Lucchesi, and Moore was called back to the Rangers to fill a vacancy on Lucchesi's staff, his second turn as one of the club's coaches. Moore stayed with Lucchesi and the Rangers through , before he joined one of the American League's expansion teams, the Toronto Blue Jays. He spent three seasons in Toronto working for skipper Roy Hartsfield, but when Hartsfield was replaced by Bobby Mattick, Moore also departed. He rejoined the Rangers in , but his third stint with them lasted just one season when, at the end of year, manager Pat Corrales and his entire coaching staff were fired. Oakland manager (1984–86) In , Billy Martin, now manager of the Oakland Athletics, invited Moore to coach first base for his "Billy Ball" team. He remained with the club after Steve Boros replaced Martin in , and eventually replaced Boros as manager on May 24, . In his only full season at the helm, , the A's went 77–85. The Athletics' record hovered around .500 until an 8–23 skid dropped the team's record to 29–44 in mid-June, worst in the majors. Moore, who went 163–190 (.462) in his 2+ years managing the A's, was replaced on an interim basis on June 25 by Jeff Newman, and in early July by Tony La Russa, who stayed in Oakland through 1995. Expos, Reds, Rangers and Rockies' coach (1987–99) In , Moore caught on as a coach with the Montreal Expos under manager Buck Rodgers, and was Montreal's third-base coach through . He celebrated his only World Series championship with Lou Piniella's Cincinnati Reds when he joined them in as their bench coach. He stayed with the Reds through Piniella's departure in , after which he left for his fourth stint in Texas (1993–1994, during the managerial tenure of Kevin Kennedy), followed by three