Alexi Casilla (hamstring) expects to be activated from the disabled list on Tuesday.

Casilla has been nagged by a hamstring issue since late July, as he attempted a return in mid-August after aggravating the injury in his first game back. He's been running with no issues, though, and appears good to go. We wouldn't count on him for fantasy purposes down the stretch.

The Twins will make a decision after this weekend whether Alexi Casilla (hamstring) will return this season.

Casilla has been running lately with no issues and will run the bases in front of the Twins' brass this weekend. He may very well make a few token appearances late in the year, but we're not counting on it.

The Twins haven't ruled out a return of Alexi Casilla (hamstring) this season.

"The reports out of Minnesota is that he's feeling pretty good and running," assistant athletic trainer Dave Pruemer said. "So, we just need to get him back running the bases and see where we're at with him." Casilla has felt better before, only to have a setback, so while it's good that he's progressing, we're not holding our breath for a possible return.

Alexi Casilla (hamstring) will fly back to Minnesota to be re-evaluated Friday.

Due to bad weather in Florida, Casilla has been running on a treadmill. He's had numerous setbacks with his hamstring injury, but the Twins are still hopeful he'll make it back before the end of the season.

Alexi Casilla has suffered a setback in his rehab from a strained right hamstring.

Casilla aggravated his hamstring Monday during his first rehab game with High-A Fort Myers. He is now scheduled to rest for a few days before being reevaluated. The 27-year-old infielder has already aggravated the injury twice in the span of three weeks, so don't count on him as a stolen base option down the stretch in AL-only leagues.

Alexi Casilla (hamstring) is aiming to return to the Twins by the weekend.

Casilla began a minor league rehab assignment Sunday with Triple-A Rochester and is likely to remain down on the farm for the next four or five days. The infielder has been on the disabled list since the middle of August with a right hamstring strain.

Alexi Casilla (hamstring) will begin a rehab assignment with Triple-A Rochester Sunday.

Casilla hasn't had any trouble running of late and is ready to test out his hammy in game action. Of course, he didn't have any issues leading up to his first return from the DL and then aggravated the injury in his first game back, so hopefully things go a little smoother this time.

Alexi Casilla (hamstring) is nearing a rehab assignment.

Casilla has been running of late without issues. He should be ready to rejoin the Twins when or shortly after rosters expand.

Alexi Casilla (hamstring) said he will resume on-field activities on Sunday.

It will be the first time he's done so since he re-injured his right hamstring on August 12 against Cleveland. We don't expect to see him until September. The Minnesota middle infielder is hitting .260 with 16 stolen bases on the season.

Twins manager Ron Gardenhire expects Alexi Casilla (hamstring) to miss "at least" 2-3 weeks of action.

Casilla aggravated his hamstring injury in his first game back from the disabled list, and you can bet the Twins will be extra cautious with him this time around. We wouldn't expect to see him until September.

Twins placed 2B Alexi Casilla on the 15-day disabled list with a hamstring injury.

Casilla re-aggravated an old hamstring injury while trying to beat out an infield single in his first game back from the disabled list on Friday. The Minnesota middle infielder is hitting .260 with 16 stolen bases on the season. Look for Matt Tolbert to draw most of the starts at second base in his absence. No corresponding move has been made yet.

Twins manager Ron Gardenhire confirmed that Alexi Casilla (hamstring) will be activated from the disabled list Friday.

Casilla has been taking batting and fielding practice and has also performed running drills with no issues. He'll end up spending only the minimum amount of time on the DL. "Casilla feels fantastic," Gardenhire said. "He'll be activated for Friday night's game in Cleveland. His legs feel good, he's running, the whole package."

Alexi Casilla (hamstring) ran the bases prior to Tuesday's game against the Red Sox.

Twins manager Ron Gardenhire still thinks he'll be ready to come off the disabled list when eligible Friday. The 27-year-old infielder was batting .259/.322/.369 with two homers, 21 RBI and 15 stolen bases over 362 plate appearances before landing on the DL late last month with a strained right hamstring.

Twins manager Ron Gardenhire expects Alexi Casilla (hamstring) to be activated from the disabled list as soon as he's eligible Friday.

Casilla did some light jogging over the weekend and is expected to start running the bases more aggressively in the early part of this week. The 27-year-old infielder was batting .259/.322/.369 with two homers, 21 RBI and 15 stolen bases over 362 plate appearances prior to the injury.

Barring a setback, Alexi Casilla (hamstring) is expected to be activated from the disabled list on August 13, the first day he's eligible.

Casilla took grounders before Friday's game and is feeling much better. The 27-year-old was batting .259/.322/.369 with two homers, 21 RBI and 15 stolen bases over 362 plate appearances before landing on the DL.

Alexi Casilla (hamstring) fielded ground balls during batting practice Friday.

Casilla hasn't played since straining his right hamstring back on July 27. He is eligible to return on August 11, but it's not clear if he will be ready by then. The 27-year-old infielder was batting .259/.322/.369 with two homers, 21 RBI and 15 stolen bases over 362 plate appearances prior to the injury.

Twins placed INF Alexi Casilla on the 15-day disabled list with a strained right hamstring.

Casilla suffered the injury Wednesday while running the bases and is expected to miss around three weeks. The 27-year-old middle infielder has batted .259/.322/.369 through 96 games this season. Trevor Plouffe is likely to fill in at second base.

An MRI taken Thursday on Alexi Casilla's right hamstring showed a "pull."

The Twins are expected to place Casilla on the 15-day disabled list on Thursday evening. The 27-year-old has hit .259/.322/.369 through 96 games this season.

Alexi Casilla left Wednesday's game in the ninth inning with a right leg injury.

Casilla pulled up while cruising into second base with a double and had to be pinch-ran for by Trevor Plouffe. It's not clear at this point what the specifics of the injury are or how long he might be out. We'll update his condition when more is known.

Alexi Casilla went 3-for-4 with two doubles and two runs scored in the Twins' 7-5 win over the Indians on Wednesday.

Casilla loves him some Target Field. He's batting .312 at home this season, compared to just .213 on the road.