The Facts: Bell left Sunday's practice on a cart after he pulled up lame with an apparent left hamstring injury.
Diehards Line:During 7-on-7 drills, Bell caught a pass from quarterback Kevin Kolb out on the flat and turned up field as he ran away from linebacker Keenan Clayton. As he accelerated, he let out a yell and immediately grabbed the back of his thigh. Bell fell to the ground on the sidelines where he was treated by the Eagles training staff. Per Inquirer staffer Jeff McClane, as he got into the cart Bell yelled a few words not printable for the Internet. ... Stay tuned. McClain notes that Bell, who was acquired in the off-season as a restricted free agent, had impressed thus far at camp. He's a hard running, north-to-south back that was expected to complement starter LeSean McCoy.