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6/12/2014 12:16 A.M. ET

Cards ink second-round pick, nine others

ST. PETERSBURG -- The Cardinals announced the signings of 10 more players from their 2014 First-Year Player Draft class, including second-round pick Ronnie Williams out of American Senior High School (Fla.).

Williams, an 18-year-old right-handed pitcher, will begin his professional career with the Cardinals' Gulf Coast League affiliate in Jupiter, Fla. A source confirmed with MLB.com that Williams received a signing bonus of $833,900, which is slot value for the No. 68 overall pick.

Two other players taken in the first 10 rounds -- shortstop Andrew Sohn (sixth) and Daniel Poncedeleon (ninth) -- also reached agreements with the Cardinals. Sohn, out of Western Michigan University, will join the short-season State College (Pa.) club, as will Poncedeleon, a four-time drafted player out of Embry-Riddle Aeronautical University.

Outfielder Blake Drake (18th), first baseman Casey Grayson (21st), catcher Cole Lankford (27th), right-hander Josh Wirsu (30th), third baseman Julian Barzilli (31st), right-hander Cody Schumacher (36th) and right-hander Davis Ward (40th) round out the rest of Wednesday's signees.

Schumacher will join Sohn and Poncedeleon at State College. Drake, Grayson, Lankford and Wirsu will report to Johnson City (Tenn.) to join that short-season club. Barzilli and Ward are headed to Jupiter.

The Cardinals have now signed 18 of their 42 Draft selections.

Cards expected to activate Adams on Friday

ST. LOUIS -- If all goes well between now and then, the Cardinals anticipate activating first baseman Matt Adams from the 15-day disabled list on Friday, his first date of eligibility.

Adams went 1-for-4 with a double and two RBIs as the designated hitter for Triple-A Memphis on Wednesday. Manager Mike Matheny said that the Redbirds will use Adams in the field for a full game on Thursday. Adams began his Minor League rehab assignment on Monday and has yet to feel any issues related to the left calf strain that sidelined him late last month.

"We want to see the timing right, but it's more the physical, that he feels good," Matheny said. "He's running and not having any relapses."

Upon Adams' return, the Cardinals are expected to option one of their two young outfielders, either Randal Grichuk or Oscar Taveras.

Matheny names NL All-Star Game coaches

ST. PETERSBURG -- Cardinals manager Mike Matheny issued the invitations to managers Clint Hurdle (Pittsburgh) and Fredi Gonzalez (Atlanta) during the offseason, and on Wednesday, Major League Baseball officially announced that both will join Matheny's All-Star Game staff.

Matheny, who will manage the National League club, has never participated in an All-Star Game before. This year's game is scheduled for July 15 at Target Field in Minnesota.

"I talked to some former and current members about how they went about selecting their staff, how they go about selecting the team, making sure I don't let anything slip through the cracks," Matheny said. "They basically said [to take] guys you have a rapport with and who you respect in the business. I feel that [Hurdle and Gonzalez] could add some value into helping us win this thing because it's not just a badge of honor anymore. It has purpose. And I think both of those guys are going to be extremely motivated to try and put the best product out there and help me through that game."

Hurdle managed the NL All-Star squad in 2008, a season after he led the Rockies to the World Series. He was also a coach under Jack McKeon in 2004. Gonzalez was on Tony La Russa's staff in '07.

Several members of the Cardinals' coaching staff -- including bench coach Mike Aldrete, bullpen coach Blaise Ilsley, pitching coach Derek Lilliquist, hitting coach John Mabry, first-base coach Chris Maloney, third-base coach Jose Oquendo and bullpen catcher Jamie Pogue -- will accompany Matheny to the Midsummer Classic. Greg Hauck, the Cardinals' head athletic trainer, was also invited to join the staff.

Worth noting

• Manager Mike Matheny said that lefty Kevin Siegrist (left forearm strain) is scheduled to throw a bullpen session at Busch Stadium on Thursday. Siegrist has been on the disabled list since May 24.

Joe Kelly, who has been out nearly two months with a left hamstring strain, has begun striding and has increased the intensity of his throwing, Matheny said. How Kelly will be used when he returns from the DL will be determined based on team need at the time, though the Cardinals do anticipate building the right-hander back up as a starter in case he's needed for that role.

• The Cardinals announced that they will hold Jon Hamm Night at Busch Stadium on Aug. 18, when the Cardinals host the Reds. Hamm, a St. Louis-area native and University of Missouri graduate, will throw out the ceremonial first pitch prior to the game. Fans who purchase a theme-night ticket will also receive a bobblehead of the Mad Men actor.

To purchase a theme ticket or one of the limited number of VIP ticket packages -- which include a photo opportunity with Hamm -- visit /stl/ticketing/group_theme.jsp?partnerId=23Q616ZG1-4G2. A portion of each ticket price will be donated to St. Jude Children's Research Hospital, a charity Hamm chose.

• Marco Gonzales, the No. 19 overall pick in the 2013 First-Year Player Draft, has been added to the Texas League All-Star team. Gonzales becomes the sixth player from the Cardinals' Double-A Springfield roster to earn an All-Star invite. Gonzales is 1-2 with a 2.63 ERA in five Double-A starts since his May 16 promotion.

• Tony La Russa, former Cardinals manager and current D-backs executive, threw out the ceremonial first pitch prior to Wednesday's game between the Cards and Rays. La Russa was born in Tampa and lived in the area until beginning his professional playing career.

Jenifer Langosch is a reporter for MLB.com. Read her blog, By Gosh, It's Langosch, and follow her on Twitter @LangoschMLB. This story was not subject to the approval of Major League Baseball or its clubs.