August 11, 2014 at 1:43 am

Report: Left-hander Ian Krol, right-handers Justin Miller and Kevin Whelan on way to help Tigers' decimated bullpen

Ian Krol had a 4.97 ERA in 29 innings pitched with the Tigers earlier this season. (Elizabeth Conley / Detroit News)

The Tigers were keeping quiet Sunday night but were drawing closer to shuffling their pitching roster, with the likelihood right-handers Justin Miller and Kevin Whelan, as well as left-hander Ian Krol, will join the team at some point this week.

A situation already dire following injuries to Anibal Sanchez and Joakim Soria became further complicated by Sunday’s 19-inning game at Rogers Centre, which saw the Blue Jays beat the Tigers, 6-5.

Detroit’s pitching corps became so depleted that starter Rick Porcello worked the game’s final two innings.

Robbie Ray, a left-handed starter who appeared in four earlier games for the Tigers in 2014, had already been announced as Wednesday’s starter against the Pirates at Comerica Park. He is at least a temporary replacement for Sanchez, who has a strained pectoral muscle and could be shelved for the next month.

The Toledo Blade reported late Sunday that right-handed relievers Justin Miller and Kevin Whelan will also be arriving from Triple A Toledo, as well as Ian Krol, a left-hander who was with the Tigers through the season’s first half.

The order in which the pitchers might be added was not clear. A spot on the 40-man roster would need to be cleared for Whelan, a right-handed reliever who rejoined the Tigers this year after he was traded by the Tigers to the Yankees in a 2006 deal that brought Gary Sheffield to Detroit.

Whelan, 30, was a fourth-round draft pick by the Tigers in 2005 as he wrapped up his career at Texas A&M. Whelan was 2-1, with a 1.85 ERA, in 35 games this season for the Mud Hens. He had 48 strikeouts in 36 innings, against 16 walks, while allowing 26 hits.

Miller, who pitched earlier this season for the Tigers, has a 1.45 ERA in 31 games for the Mud Hens, with a .178 opposing batting average.

Krol has not been scored upon in his four outings at Toledo.

The Tigers were expected to add two pitchers for today’s game against the Pirates at PNC Park. Further roster shuffling, including Ray’s formal addition to the 25-man group, is expected Wednesday.

Lynn.henning@detroitnews.com

Twitter.com/Lynn_Henning