A 33-yard field goal by Adam Mitcheson and Jackson's first hook-up with Johnson -- a 21-yarder -- gave the Bulls (5-6, 3-4 Mid-American Conference) a 10-0 first-quarter lead. Jackson found Johnson for a 14-yard score to stretch the lead to 17-0 at 11:27 in the second quarter.
Morgan Hagee got the Cardinals (2-9, 0-7) on the scoreboard with a 21-yard field goal, but Jackson found Johnson for the third time -- from 11 yards out -- to make it 23-3. Jack Milas hit Nolan Givan for an 11-yard score with 49 seconds left to pull the Cardinals within 23-10 at halftime.
Jackson finished with 350 yards passing and became the first Bull to throw for 300-plus yards in three straight games. Johnson totaled 153 yards on seven catches.
Buffalo won at Ball State for the first time in five tries. The Cardinals lead the series 9-2.
Milas passed for 127 yards and two scores for Ball State, while Caleb Huntley totaled 141 yards on 26 carries.
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