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9/22/2013 12:30 A.M. ET

Rasmus' season is over after landing on DL

Blue Jays outfielder to undergo further evaluations after Friday's accident

BOSTON -- Colby Rasmus' season is officially over after he was placed on the disabled list following a freak accident during Friday night's 6-3 loss to the Red Sox.

Rasmus was running onto the field for warmups prior to the bottom of the first inning, when he was struck in the face by an errant throw from right fielder Anthony Gose.

The 27-year-old Rasmus was immediately sent to a local hospital where he underwent a CT scan. The preliminary results didn't reveal any structural damage to the bone around his left eye, but Rasmus will remain in Boston for a few days to undergo further evaluations.

"He is going on the DL but preliminary X-rays, everything looks good, but they still want -- in a few days when the swelling goes down -- to get another look," Blue Jays manager John Gibbons said. "But as of now it looks pretty good."

Gose was understandably shaken up after the incident and had to fight off his emotions during a brief media session following the game. At the time of the incident, Gose thought Rasmus was looking at him for the throw, but unfortunately that wasn't the case and the ball struck Toronto's center fielder in one of the worst possible places.

Both players have gone through this warmup process thousands of times during their careers, but in this particular case it was wrong place, wrong time, for Rasmus. Gose took the news relatively hard, but Rasmus appears to have avoided a major injury.

"Naturally you feel bad, they're tight, that's his good buddy, too," Gibbons said. "It's one of those freak things, they do it every time they're out there. It's too bad."

Rasmus, who played in 118 games, was enjoying a breakout year at the plate -- hitting .276 with 22 homers, 66 RBIs and an impressive .840 OPS. The former first-round Draft pick by the Cardinals will enter his final year of arbitration during the offseason.

Kawasaki ejected for arguing call at first base

BOSTON -- Blue Jays infielder Munenori Kawasaki is almost always the happiest guy in the room, but there was a rare display of anger during Saturday night's 4-2 victory over the Red Sox.

Kawasaki was ejected during the eighth inning for arguing a call with first-base umpire Eric Cooper. It was the first time this season that the fun-loving Kawasaki ever showed any type of frustration and it caught a lot of his teammates off-guard.

"I asked him if it was the first time getting kicked out and he said, 'yeah,'" Blue Jays starter Mark Buehrle said. "He obviously got caught up in the moment and he thought he was safe. Just kind of reacting, I don't think he meant to, but reaction I guess, you can't really throw your helmet like that and expect to stay in the game."

The play in question happened when Kawasaki hit a ground ball up the middle that was deflected by right-hander Ryan Dempster. Boston second baseman Dustin Pedroia then altered course and fielded the ball before making a short throw to first baseman Will Middlebrooks.

The 32-year-old Kawasaki was then called out on a close play at first by Cooper. Kawasaki immediately reacted in protest by slamming his helmet into the ground. Replays showed that he had a case and appeared safe on the play.

Blue Jays manager John Gibbons also ran onto the field to protest, but remained in the game after a brief dispute with Cooper. At the time there was a lot of anger, but after the game, Gibbons couldn't help but laugh at how the whole thing unfolded.

"I thought he was safe, and I guarantee [Kawasaki] thought he was safe or he wouldn't have done that," Gibbons said. "I didn't expect to see that out of him, but good for him.

"Those are tough calls, bang-bang ... If he's going to react like that he's probably got pretty good beef."

The dispute marked the second of the night for the Blue Jays with the umpiring crew at Fenway Park. In the sixth inning, Boston's Shane Victorino was hit by a pitch from Buehrle, but catcher J.P. Arencibia began arguing with Gonzalez that the Red Sox outfielder stepped into the pitch.

Gibbons also came out to argue and had an animated conversation with Gonzalez. Gibbons appeared close to being tossed during the lengthy argument, but remained in the game. According to MLB.com's GameDay, the pitch from Buehrle was in the strike zone, but the call was not overturned.

The ruling on the field proved costly for the Blue Jays as the Red Sox went on to score a run in the inning on a single by Jonny Gomes. Buehrle later escaped the jam by inducing a ground-ball double play which put the veteran starter over the 200-inning plateau for the 13th consecutive season.

"I felt like it was close, he's on the dish anyways so whenever he got hit, I thought J.P. had a good argument," Buehrle said. "I said, 'hey you have to watch this guy, he is on the dish.' I didn't see the replay so I don't know for sure, but at the time I thought he was pretty good over the dish."

Blue Jays likely to need outfield assistance

BOSTON -- The Blue Jays may be forced to go with a rather unconventional outfield in the near future when Rajai Davis eventually departs the club to attend the birth of his first child.

Davis' wife is expected to go into labor any day and when that happens he's expected to leave the club for at least two or three days. It's an understandable scenario but one that will also leave the Blue Jays short-handed in the outfield.

Following a season-ending injury to Colby Rasmus, Toronto currently only has four outfielders on its roster in Kevin Pillar, Anthony Gose, Moises Sierra and Davis. Another injury would then place either veteran Mark DeRosa or Munenori Kawasaki in the outfield.

"We have four now, when Raj, when she has the baby, I'm sure he'll be gone for a couple of days," manager John Gibbons said. "We'll make do, we're at the end here so we don't have a lot of time anyways. But DeRosa has played some outfield, Kawasaki can go out there, so we have some guys that can do it."

Kawasaki has never played the outfield during his professional career, but DeRosa has played 250 games there throughout the course of his 16 seasons in the big leagues. DeRosa played one inning in left during Friday night's game against the Red Sox and he also appeared in the outfield 16 times with the Nationals in 2012.

It's not exactly an ideal scenario, but the Blue Jays should be able to get through it with just over a week remaining in the season.

"His foot speed is not what it used to be, but he's going to make a play if he gets to it," Gibbons said of DeRosa. "He's going to give you a good at-bat, too. You may not get the results that you want, but he's going to give you a good at-bat."

Gregor Chisholm is a reporter for MLB.com. Read his blog, North of the Border, and follow him on Twitter @gregorMLB. This story was not subject to the approval of Major League Baseball or its clubs.