I had some fans asking me last night why the Nationals decided to bump back Tanner Roark's scheduled start Thursday and now have him set to start the final game before the All-Star break, Sunday against the Phillies. One of the factors is that Roark can now be used out of the bullpen sometime in these next couple of days, giving the Nats an extra arm in relief should they need it. The 27-year-old is accustomed to coming out of the 'pen, and a relief appearance would essentially serve as his side session, although the Nats would clearly monitor his pitches and usage carefully. Roark hasn't been at his sharpest his last few outings, and this extra time in between starts will allow him more time to try and get back on track. Getting in a game in relief might assist in that process. The Nats also likely wanted to keep Gio Gonzalez on normal rest, given how well he's pitched of late. Gonzalez has thrown 22 straight scoreless innings, and if the Nats had just bumped each starter back a day, they would have risked Gonzalez getting thrown off by having that extra rest. Here's how the Nats will now line things up the rest of the way until the break: Wednesday at Orioles - Doug Fister Thursday at Orioles - Gio Gonzalez Friday at Phillies - Jordan Zimmermann Saturday at Phillies - Stephen Strasburg Sunday at Phillies - Tanner Roark