Cubs activate INF Tommy La Stella; recall RHP Adam Warren from Triple-A

Catcher David Ross placed on 7-day DL; RHP Joel Peralta designated for assignment

The Chicago Cubs today activated infielder Tommy La Stella off of the 15-day disabled list and recalled right-handed pitcher Adam Warren from Triple-A Iowa. In corresponding roster moves, catcher David Ross has been placed on the seven-day concussion disabled list and right-handed pitcher Joel Peralta has been designated for assignment.
    
Both La Stella and Warren will start for the Cubs this afternoon as they conclude their three-game series against the Cincinnati Reds at Wrigley Field.
 
La Stella, 27, is batting .291 (23-for-79) with eight doubles, one triple, two homers and seven RBI in 38 games with the Cubs this season. He has a .378 on-base percentage and a .494 slugging percentage, good for an .872 OPS. La Stella was placed on the 15-day disabled list on June 10 (retro to June 8) with a right hamstring strain. He batted .286 (6-for-21) with one homer and three RBI in a six-game rehab assignment with Iowa.
 
Warren, 28, is 3-1 with a 4.56 ERA (13 ER/25.2 IP) in 25 relief appearances for the Cubs this season. He was optioned to Iowa on June 21 and has since made two starts while on option in Triple-A: June 25 at Oklahoma City (3.2 IP) and June 30 at Round Rock (5.0 IP), posting no record with a 4.15 ERA (4 ER/8.2 IP). Warren has made 20 starts in his major league career, including 17 with the New York Yankees last season in which he went 6-6 with a 3.66 ERA (39 ER/96.0 IP).
 
Ross, 39, is batting .234 (25-for-107) with six homers and 23 RBI in 43 games. He leads the majors with a 2.65 catchers ERA (min. 40 games played).
 
Peralta, 40, went 0-1 with a 9.00 ERA (4 ER/4.0 IP) in five relief outings with the Cubs.