In 1967, Nagaike hit .281 with 27 home runs and 78 RBI, and was given a Best Nine Award as an outfielder.
Nagaike won another Best Nine Award in 1970 with 28 home runs and 102 RBI to go along with a .309 batting average.
His 1973 stats of 43 home runs and 109 RBI, to go with a .313 average garnered Nagaike his sixth Best Nine Award.
Nagaike won his seventh and final Best Nine Award in 1975 on the strength of his 25 home runs.
Late in his career, as he became a part-time player, Nagaike's Braves won three straight Japan Series championships, in 1975, 1976, and 1977.