Guthrie allowed only three singles in seven innings, and the Kansas City Royals rolled to a 5-0 win over the Athletics on Tuesday night.
Right tackle Jason Smith, who has had concussion and other injury issues, has started just 26 of a possible 48 games.
The Rams will go ahead with plans to play a home game against the New England Patriots at London's Wembley Stadium on Oct. 28.
Matt Holliday hit a three-run homer and Jake Westbrook won his fifth straight start to lead the St. Louis Cardinals to a 4-1 victory over the Philadelphia Phillies on Saturday night.
Jamaal Charles took a solid hit to the left knee on his very first carry, then bounced right up and helped the Kansas City Chiefs score touchdowns on their first two possessions en route to a 27-17 preseason victory over the Arizona Cardinals on Friday night.
Jeff Fisher has conveyed cool, calm leadership from the start of his first training camp with the St. Louis Rams, which can't hurt a team coming off a 2-14 season.
The Philadelphia Phillies defeated the Cardinals on Friday night after Roy Halladay pitched eight innings and Chase Utley hit a two-run homer in the eighth giving the Phillies a 3-1 victory.
The Orioles defeated the Royals on Friday, helped by Manny Machado hitting two homers and driving in four runs. Machado became the 12th youngest major leaguer since 1918 to hit at least two home runs in a game.
Billy Butler homered in a four-run first inning, doubled in the third and tripled in the fifth. Needing only a single to become the first Kansas City player to complete the cycle since George Brett in 1990, Butler struck out in the seventh and again the ninth.
In early training camp, the Chiefs have been gentle with their "ACL trio" of Eric Berry, Jamaal Charles and Tony Moeaki. But coach Romeo Crennel said they'll see action against the Cardinals.
The Cardinals, who have won seven of 10, lost 15-0 to the Giants on Wednesday, their worst home shutout defeat since 1961. Adam Wainwright (10-10) keyed the bounce-back effort Thursday, allowing five hits and one run over seven innings.
Marco Scutaro hit a grand slam and drove in a career-high seven runs, leading Ryan Vogelsong and the San Francisco Giants to a 15-0 romp over the St. Louis Cardinals on Wednesday night.
Jeremy Guthrie picked up his first victory since late May, scattering five hits over eight innings in the Kansas City Royals' 2-1 victory over the Chicago White Sox on Wednesday night.
Steven Jackson remains the feature back in St. Louis, but he might find himself getting fewer carries — and fewer bumps and bruises — after recording 70 percent of the team's carries the past seven seasons.
Buster Posey continued his second-half tear with a three-run homer, Barry Zito pitched 6 2-3 innings of two-run ball and the San Francisco Giants defeated the St. Louis Cardinals 4-2 Tuesday night.
Bruce Chen outpitched Jake Peavy for his first win in six weeks and the Kansas City Royals beat the Chicago White Sox 5-2 on Tuesday night.
The St. Louis Cardinals beat the San Francisco Giants, the Cards' fourth straight win.
The Royals fell to the White Sox 4-2 Monday night.
The former Missouri quarterback will have a new head coach, offensive coordinator and quarterbacks coach to help out, in addition to new receivers to throw to.
Texas had threatened in the 10th, loading the bases with one out. But shortstop Alcides Escobar made a diving catch to his right of Mitch Moreland's line drive for the second out and Greg Holland struck out Mike Olt on a 3-2 pitch.