"I think he is going to be on crutches for about three days," Bell said. "He'll be back here by the end of the week."
Grudzielanek will rehabilitate the knee in Surprise. The Royals are hopeful that he will miss no more than two weeks of the regular season.
"Everything went well," Royals general manager Dayton Moore said. "Now, the key for him is the rehab. You never know until you get in there, but it was a procedure that needed to be done. It is good that they had it done."
Jorge De La Rosa left in the third inning of the Royals' 9-4 victory over the Padres on Monday after being struck in the left hand, his pitching hand, by a Todd Walker line drive.
"I'm OK," De La Rosa said.
He was able to squeeze his hand after the game, and he said the ball hit his ring and little fingers.
"He could have actually stayed in the game, but he had only another hitter or two left," Bell said. "He was getting close to his pitch limit, so rather than take any chances on it, we just decided to take him out. He wanted to stay in. We don't think it is anything real serious. He is such a tough kid."
De La Rosa gave up solo home runs to Mike Cameron and Terrmel Sledge, but he walked none and struck out two in 2 2/3 innings.
"My command was better," De La Rosa said. "The first home run was up in the zone, but the second was down."
Mike Sweeney, who had been held out of the Royals' first four Spring Training games, went 1-for-3 in his debut.
Bell wants to regulate Sweeney's playing time in Spring Training so that he can be healthy when the season starts. Sweeney played in just 60 games last year because of a bulging disk in his back.
"I'm thankful Buddy gave me a kitchen pass to go out and play recess with the kids outside," Sweeney said. "I feel like I've been locked up in detention the last week. I understand Buddy's philosophy, and I respect his decision."
Sweeney said that he would next play in Wednesday's "B" game against the Rangers, and he hopes to get 40-50 Spring Training at-bats "in a perfect world."
"I had a good test facing [Padres ace Jake] Peavy right out of the chute, but overall, I felt great," Sweeney said. "Having me in the dugout and in the lineup brings a lot of spark to our team and also the way we play the game. Even as a DH, I feel like I can add a lot to the team."
Scaling the wall:
Mark Teahen made a leaping catch of another Sledge drive at the right-field wall in the third inning.
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Spring Training info:
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Skipper Bell on Royals' status: 350K
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Royals' Bell on remaining spots: 350K
"I really don't think it was going to be out, but if it makes for a better story, yeah," Teahen said with a laugh. "It is good to get back to the wall and catch it."
Teahen is making the conversion from third base to the outfield.
Ryan Braun, who was scratched from a weekend outing because of a migraine and a respiratory infection, threw a bullpen session on Sunday and is scheduled to throw an inning on Tuesday against the Athletics.
Rookie shortstop Alex Sanchez, who had a pinch-hit single against the Padres, is scheduled to play in the field for the first time in Wednesday's "B" game. He has been out with a sore elbow.
Joel Peralta had his second bullpen session after spending two nights in the hospital and receiving a spinal tap. He is scheduled to get in a game by the weekend.
Richard Lewis, the 2004 MVP of the Southern League and a Royals pick in the Triple-A Rule 5 Draft, has been added to the Major League camp, largely because the Royals wanted another infielder available after Grudzielanek's knee surgery.
Lewis, a 2001 sandwich-round pick by the Braves, hit .329 in 2004 in the Southern League and was promoted late in the season to Triple-A Iowa, where he broke his leg.
Lewis, 26, stroked a two-run double in the Royals' four-run seventh inning on Monday.
The Royals initiated an Alumni Guest Instructor Program on Monday for the Minor League camp.
Left-hander Larry Gura, third baseman Joe Randa and Jeff Montgomery, the Royals' all-time saves leader, are in camp this week. Beginning March 12, pitchers Steve Busby and Dennis Leonard and outfielders Willie Wilson and Brian McRae will work with the Minor Leaguers. On March 19, the alumni arrivals will be pitchers Paul Splittorff, Mike Boddicker and Marty Pattin, first baseman John Mayberry and shortstop Fred Patek.
Brian Bannister will make his second Spring Training start at 2:05 p.m. CT on Tuesday against the Athletics at Phoenix Municipal Stadium. Joakim Soria and Kenny Ray are also scheduled to pitch. The A's will start right-hander Joe Blanton.