Both moves clear 25-man and 40-man roster spots for top prospect Addison Russell, who is set to start at second base and bat ninth in his major-league debut Tuesday.
Alcantara was just 2 for 26 with five walks and one stolen base in 11 games with the Cubs. Olt is recovering from a hairline fracture in his wrist.
Russell was recently moved to second base at Triple-A to help provide the Cubs with more infield depth at second. He is batting .314 with one home run and seven RBI at Triple-A.
The team is expected to demote
Alcantara saw significant action at second base and third base over the first 10 days of the season with the team dealing with multiple injuries in the infield, but he came off the bench in each of the team's three games against the Padres this weekend, with Jonathan Herrera drawing the start in each game and Kris Bryant joining the lineup Friday.
Alcantara could still work his way into playing time at second base but will need to start finding a way to make more contact after striking out three times in four at-bats against the Padres.
Alcantara wasn't in the starting lineup on Opening Night, but he's made four starts at second base since while also making one appearance at third base. Despite his lack of hits, the infielder has drawn five walks, scored four runs and stolen one base.
Alcantara saw time in center last season, but the team's trade for Dexter Fowler will alter his role. Alcantara says he's ready for the challenge. "Mentally you have to be ready for that," Alcantara said. "They want me to play second base and the outfield." He's also expected to see some time at third base.
Manager Joe Maddon is glad to have such a versatile player on the team. "When you get a guy like that and you want to give someone a rest, you don't feel like you're losing anything," Joe Maddon said. "And the big attraction there is also in-game. It's like having an extra guy on the bench."
The 23-year-old Alcantara hit .205/.254/.367 over 278 at-bats last year.
|CBSSports.com Player Ranking|
|5/21/2015 vs San Diego|
|vs San Diego||4||0||0||.000||.000||.000|
|vs Marquis (Career)||0||0||0||0||0||0|
|Last 7 Games|
|Complete Game Log|
| 17 |
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| 28 || 29 |
|More Batting Stats|
|Minor League Batting Stats|
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