Collins (elbow) will undergo an MRI Thursday morning, but reported no significant swelling, Jeffrey Flanagan of MLB.com reports.

Collins exited Wednesday's spring training game with soreness and tightness in his elbow, and the MRI on Thursday should reveal more info on the nature of the injury. He was expected to be one of the few left-handed options in the bullpen, but if his injury prevents him from returning in the near future, Brandon Finnegan could end up with a bullpen spot.

Collins is dealing with soreness and tightness in his left elbow, Josh Vernier of 610 Sports Radio reports.

Collins was removed from Wednesday's spring training game after experiencing some discomfort. Manager Ned Yost said that Collins hopes to have an MRI on the elbow tomorrow, so if there's anything beyond general soreness, that information should be available after seeing the results.

Collins exited Wednesday's spring training game alongside a trainer, Andy McCullouhg of the Kansas City Star reports.

Collins issued a two-out walk in the inning, then was removed from the game for an undisclosed reason. The team will likely provide an update on his situation at some point in the near future, but consider him day-to-day until more information becomes available.

Collins was included on the Royals' ALDS roster, Andy McCullough of the Kansas City Star reports.

Collins' 2014 campaign was split evenly between Triple-A Omaha (23 appearances) and the majors (22 appearances), with most of his time with the big club coming in May and June. His overall numbers with Kansas City this season were rather modest (3.86 ERA, 1.38 WHIP), but he's held opposing lefties to a respectable .224/.341/.362 batting line in his career.

Collins was recalled from Triple-A Omaha on Friday.

While Collins struggled to the tune of a 4.15 ERA and 1.56 WHIP with the Royals this season, he pitched much better with tht minor league club, postin a 2.76 ERA and a 1.00 WHIP while striking out batters at a clip of 1.32/IP. He will join the Royals' bullpen for the final three series of the season.

Royals optioned LHP Tim Collins to Triple-A Omaha.

Collins has registered a pedestrian 4.15 ERA and 1.56 WHIP in 17 1/3 innings this season out of the Kansas City bullpen. He'll try to get right at Triple-A.

Royals activated LHP Tim Collins from the 15-day disabled list.

Collins is ready to do after making three scoreless rehab appearances. He'll return to a left-handed setup role for the Royals.

Tim Collins (elbow) has been cleared to begin a minor league rehab assignment with Triple-A Omaha.

Collins is expected to make two appearances there before returning to the Royals' bullpen. The left-hander has been out since April 7 with a mild elbow flexor strain.

Tim Collins (elbow) could begin a minor league rehab assignment this weekend.

Collins made a simulated appearance on Tuesday and felt fine. He has been on the disabled list since April 7 because of a mild flexor strain in his left elbow.

Tim Collins (elbow) was cleared to resume throwing Tuesday.

Collins has been on the disabled list since April 7 with a flexor strain in his left elbow. He is aiming to rejoin the Royals' bullpen by the end of this month.

Royals placed LHP Tim Collins on the 15-day disabled list with a flexor strain in his left elbow.

Collins has walked four batters in just two appearances so far this season, so it's not a surprise that something isn't right physically. No word on how long he'll be sidelined.

Tim Collins struggled Monday against the White Sox, allowing four runs in two-thirds of an inning.

Collins retired the first two batters he faced, but quickly fell apart. The four runs came across on two singles, two doubles, and a throwing error by the shortstop. Collins has been a consistent contributor for the Royals over the last three seasons, so this outing shouldn't be a cause for alarm.

Royals avoided arbitration with LHP Tim Collins by agreeing to a one-year, $1.3625 million contract.

MLBTradeRumors.com had projected him to earn $1 million in his first year of arbitration. Collins has earned the raise by putting up a 3.51 ERA with 205 strikeouts over 190 innings in his first three big league seasons.

Tim Collins has allowed just one earned run since May 5.

Coincidentally, it came in his last appearance against the White Sox. The diminutive left-hander is pitching better than ever this season, posting a 2.33 ERA, 1.22 WHIP and 27/13 K/BB rate over 31 appearances.

Tim Collins allowed a pair of solo homers in his inning of work Tuesday.

The diminutive lefty now holds a 14.14 ERA while serving up four longballs over seven frames this spring. Collins has struck out nine batters, though, and will again be an important part of a good Royals bullpen in 2013.

Braves acquired LHP Tim Collins, INF Tyler Pastronicky and SS Alex Gonzalez from the Blue Jays for SS Yunel Escobar and LHP Jo-Jo Reyes.

Collins has a 2.40 ERA in parts of four seasons in the minor leagues. Working in relief with Double-A New Hampshire this season, the 20-year-old southpaw has a 2.51 ERA in 35 appearances, averaging an eye-popping 15.3 K/9 over 43 innings. Checking in at 5-foot-7 and 155 pounds, Collins was ranked as the Blue Jays' No. 19 prospect by Baseball America over the winter.