 Rennert akasvika kumakwikwi makuru mushure mekutonga muPacific Coast League kubva muna 1965 kusvika muna 1973, Rennert akatonga mumatanhatu National League Championship Series 1977, 1981, 1982, 1986, 1988, 1990, maviri All-Star Games 1979, 1984, uye nhatu World Series 1980, 1983, 1989; akanga ari shure kweplate apo Oakland Athletics yakakunda 1989 World Series. 