The Lehigh Valley Steelhawks lost 55-52 at Harrisburg Saturday night in the latest installment of the Keystone Classic rivalry.
The loss was the sixth in the last seven games for the Steelhawks, who had started the season at 4-0.
Lehigh Valley, which had beaten the Stampede earlier this season, ends its rivalry series with Harrisburg with a 1-1 split.
The Steelhawks will wrap up the regular season next Saturday night at 7pm against the Richmond Raiders at Stabler Arena.
The winner of that game will earn the PIFL's final playoff spot.
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