Hacker's finished 23rd in voting for the National LeagueMost Valuable Player Award in 1952 for leading the league in WHIP (.946) and hits allowed/9ip (7.01) and having a 15–9 win–loss record, 33 games pitched (20 started), 12 complete games, 5 shutouts, 5 games finished, 1 save, 185 innings pitched, 144 hits allowed, 56 runs allowed, 53 earned runs allowed, 17 home runs allowed, 31 walks allowed, 84 strikeouts, 1 hit batsmen, 1 wild pitch, 721 batters faced, 1 balk and a 2.58 ERA.
In 12 seasons Hacker had a 62–89 win loss record,[2] 306 games pitched (157 started), 47 complete games, 6 shutouts, 76 games finished, 17 saves, 1,2831⁄3 innings pitched, 1,297 hits allowed, 680 runs allowed, 601 earned runs allowed, 181 home runs allowed, 320 walks allowed, 557 strikeouts,[2] 21 hit batsmen, 10 wild pitches, 5,438 batters faced, 1 balk, a 4.21 ERA[2] and a 1.26 WHIP.
After leaving the major leagues in 1961, Hacker played for the Indianapolis Indians from 1962 to 1965, which he recalled as "maybe the best days I ever had in baseball."[2] He then served as a minor-league pitching coach for the Oakland As from 1967 to 1971, and for much of the 1970s he was a pitching coach in the San Diego Padres' organization.[2]
