Round 1 Recap: 2012 Principal Charity Classic (2:09)

Hallberg birdies No. 18 in Round 1 at Principal Charity (0:24)

Calcavecchia eagles No. 11 in Round 1 at Principal Charity (0:16)

Nielsen birdies the 18th in the first round of the 2010 Principal Charity Classic (0:42)

Haas' tee shot at the 14th in the first round of the 2010 Principal Charity Classic (0:45)

Round 2 Recap: 2012 Principal Charity Classic (1:53)

Talk to a Pro: Tommy Armour (1:00)

Langer birdies the 16th in the second round of the 2010 Principal Charity Classic (0:32)

Armour birdies the 16th in the second round of the 2010 Principal Charity Classic (1:02)

Forsman birdies the 18th in the second round of the 2010 Principal Charity Classic (0:40)

Round 3 Recap: 2012 Regions Tradition (1:26)

Round 3 Recap: 2012 Principal Charity Classic (1:48)

Gilder birdies No. 18 in Round 3 at Principal Charity (0:30)

Huston eagles No. 13 in Round 3 at Principal Charity (0:25)

Spittle eagles No. 9 in Round 3 at Principal Charity (0:25)