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4/30/2014 6:54 P.M. ET

Lawrie sits out with sore back

KANSAS CITY -- Blue Jays third baseman Brett Lawrie was not in the lineup Wednesday because of a sore back. Juan Francisco drew the start at third and hit in the No. 6 slot.

Manager John Gibbons wanted to be cautious with Lawrie on a cool evening.

"His back flared up a little bit," Gibbons said. "I figured with [Casey] Janssen and [Adam] Lind being out, we don't need another guy going down. It's maybe a day thing." Francisco has played some third base, as well as first base. He started the evening hitting .242 with two homers and three runs batted in.

Janssen closes in on rehab assignment

KANSAS CITY -- Right-hander Casey Janssen, recovering from a strained oblique, threw his second bullpen session on Wednesday with no ill effects. Janssen said he is pain-free and will throw one more bullpen Friday before heading out on a rehab assignment.

Janssen said he threw more than 30 pitches in the Kauffman Stadium bullpen and concentrated on getting his arm to work fast again.

"I didn't get much of a Spring Training," Janssen said. "I want to get used to throwing all my pitches off a slope. I just have to keep going. One more on Friday and then I'll try to get out of here and have some self-worth."

Janssen believes it's important to cover every step in the recovery process because he wants to be in full duty mode when he is activated.

"When I get here, I don't want special treatment," Janssen said. "I want to be just another guy that Gibby [manager John Gibbons] can call on any night."

Janssen, who had 34 saves last season, has seen the Toronto bullpen go through some rough stretches during the opening month of the season. Nevertheless, Janssen is convinced that the bullpen will shake off a rough April and emerge as a team strength as the season wears on.

"The zeros can be contagious," Janssen said. "I don't want the first month to alter anybody's vision of what our bullpen is and can be. We've got some good arms down there. It's called earned run average for a reason. It's not 'earned run, first month.' These guys will get in a rhythm and this will just be a little blip on the radar screen."

McGowan remains an option for bullpen

KANSAS CITY -- After right-hander Dustin McGowan allowed only three hits in six innings on Tuesday, Blue Jays manager John Gibbons was left to ponder whether McGowan's top value to the club over the long term would be as a starter or reliever.

"I'm not sure where it will all lead," Gibbons said.

While saying Wednesday that McGowan is "probably going to start again", Gibbons added that he remains intrigued by what McGowan could possibly bring to a beleaguered bullpen.

Meanwhile, the Blue Jays continue to closely monitor the progress of right-hander Marcus Stroman, who worked six hitless innings for Triple-A Buffalo on Tuesday. Stroman could be a rotation option if McGowan ultimately goes to the bullpen.

"He's on the radar," Gibbons said of Stroman. "We were watching him on the computer. He had it all going on out there."

Robert Falkoff is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.