In a game against the Auburn Tigers on November 2, 1974, Posey made 2 field goals including a 47 yarder to take the lead at halftime in a 25–14 victory.
In week 15 against the Buffalo Bills, Posey kicked a game-winning field goal to give the patriots their first ever division championship.
[6][7][8] Playing in eleven games, he made 11-of-22 field goals and 29-of-31 extra points.
[9] He played his first playoff game in the divisional round against the Houston Oilers.
In that playoff loss, he made 2-of-2 extra points but missed his lone field goal.