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Mike Bossy, Wayne Gretzky, and Alexander Ovechkin share the record for most 50-goal seasons in NHL history with nine. Bossy accomplished this feat in eight consecutive seasons from 1977-78 to 1984-85, while Gretzky reached the mark in nine different seasons from 1978-79 to 1987-88. Ovechkin has also reached the 50-goal mark in nine seasons, from 2005-06 to 2017-18.