On the heels of a sizzling training camp, Spence is taking on the look of a legitimate Defensive Rookie of the Year candidate.
A first-round talent who fell to the second round due to off-field concerns, Spence was a disruptive force as a nickel rusher beating Philadelphia's left tackles in the first half of Thursday night's game.
"(He's been) solid every day," Koetter added, via ESPN.com. "Every day the kid flashes. For a rookie, he hasn't hit any slump days, so to speak, where he's had an off day. Every day he flashes; he's got a nice motor, he pushes himself hard."