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8/3/2014 3:35 P.M. ET

Royals' Colon focused on doing whatever team needs

OAKLAND -- For the first time since being recalled from Triple-A Omaha on Tuesday, infielder Christian Colon was in the starting lineup, playing third and batting seventh in Sunday's series finale in Oakland.

The 25-year-old rookie took the place of slumping Mike Moustakas, who entered play Sunday hitless (0-for-8) during the current series in Oakland and 2-for-26 over his last seven contests.

"It's very exciting any time you get to come up here and try to help these guys win," Colon said. "To be around them, it's about winning, that's all it's about. It's fun and exciting for me to watch these guys play, day in and day out."

Colon entered Saturday's 8-3 loss as a pinch-hitter and delivered an RBI single against A's lefty Jon Lester. There's a chance the right-handed hitter could see a second straight start on Tuesday when the Royals face the D-backs and southpaw Wade Miley.

"If Chris has a good game, maybe he'll be back in there," manager Ned Yost said.

Colon, who was the No.4 overall pick in 2010, is ranked as Kansas City's No. 18 prospect and made his debut on July 1. After batting .307/.361/.430 in Triple-A with eight homers, 47 RBIs and 15 stolen bases, Colon has had to adjust to life on the bench with Kansas City.

Not that he minds.

"Whatever you're called to do, you have to be ready to do," Colon said. "It's a mindset. In Triple-A, I played every day, and now here, I'm doing whatever I can to help the team. That's what my role is on this team in 2014. It's about just knowing your role and doing your job."

Yost: 'Big couple of weeks' for Royals' playoff hunt

OAKLAND -- The Royals might be in the thick of the playoff hunt with the stretch run of the regular season approaching, but manager Ned Yost said he hasn't been doing any scoreboard watching lately.

"I just try to focus on this," Yost said before Sunday's matinee against the A's. "The more everybody else is focused on it, you hear about it. But I don't have any idea if Toronto won yesterday, I don't know if Detroit won yesterday."

While the Tigers won on Saturday to push themselves five games ahead of the Royals for first place in the American League Central, the Jays lost and stayed 2 1/2 games clear of Kansas City in the race for the second AL Wild Card.

Yost has been understandably zoned in on the task at hand -- trying to slow down the A's, the team with the best record in baseball. Oakland and Kansas City split the first two games of the series, one where the trio of A's starting pitchers each sported sub-2.70 ERAs.

"This is a huge series for us to win," Yost said. "This series, then Arizona and then going back and playing San Francisco and Oakland, it's a [big couple of weeks]."

Crown points

• Yost hinted that the team could be making a move soon to add another batter to the team. Since southpaw Jason Vargas was added to the active roster in place of injured first baseman Eric Hosmer on Saturday, the Royals have been carrying 13 pitchers.

"It's day to day" Yost said.

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