Construct your "down the stretch" pen

Here's the scenario. It's August 1, and the Rangers are still in the middle of the race, hanging tight with the Angels, but they were unable to make a move that strengthened the pen. Derek Holland is still in the rotation. From players already in this organization and assuming that Frank Francisco, et al stay healthy, what does your bullpen look like? Feel free to pick someone not listed here if you please. One reminder, Orlando Hernandez can opt out of his deal on July 20 if he has not been called up by then. Current pen: Frank Francisco - .189/.255/.333 (against), 13-15 in save ops CJ Wilson - .250/.338/.367, 6 holds, 7-8 save ops, 3 L Darren O'Day - .190/.271/.321, 9 H, 1 S, 0 BS, 0 L Jason Jennings - .266/.335/.392, 5 H, 1 S, 1 BS, 3 L Eddie Guardado - .289/.354/.500, 4 H, 0 S, 1 BS, 1 L Jason Grilli - .172/.226/.310, 8.1 IP Doug Mathis - .204/.295/.315, 14.2 IP AAA candidates: Orlando Hernandez - 5 IP, 1 H, 1 HR, 1 BB, 6 K, touching 89 Neftali Feliz - 4.2 IP, ...