Among his peers

Joe Mauer certainly appears destined to have his Twins uniform number retired. Here's how the five former Twins hitters who have had their uniform number retired fared through the season in which they turned 30, and after:

Harmon Killebrew

AgeGABH2B3BHRRBIAvg.

18-3012704397115815814337855.263

31-3911653750 92813210237729.247

Tony Oliva

AgeGABH2B3BHRRBIAvg.

23-309123550109421336132535.308

31-377642751 82311612 88412.299

Rod Carew

AgeGABH2B3BHRRBIAvg.

21-301328505516582416455563.328

31-391141426013952044837452.327

Kirby Puckett

AgeGABH2B3BHRRBIAvg.

24-3010704395140723741108586.320

31-35 7132849 89717716 99499 .315

Kent Hrbek

AgeGABH2B3BHRRBIAvg.

21-3012994670135325016223803.290

31-34 4481522 396 62 2 70283.260