JasonDoiy/E+ via Getty Images PENN Entertainment, Inc. (NASDAQ:PENN), the operator of regional casinos and online sports betting site ESPN Bet, is currently very cheap compared to peers in its industry. Especially, growth at ESPN Bet could lead to outperformance, with several key growth drivers coalescing in the third quarter. Investors might be overlooking PENN Entertainment's potential, particularly as its new ESPN Bet platform is primed to leverage ESPN's expansive media reach and unique brand loyalty. D ...