He suffered a fracture of the hamate bone in his wrist this spring.

Griffey is the third major league player to suffer a broken hamate bone this season.

Griffey, relatively old at 26, has rebounded well from his broken hamate bone.

Griffey will undergo surgery today to remove the broken hamate bone from his right hand.

Last season he hit 49, his chance of breaking Maris's record shattered by the broken hamate bone that cost him 20 games.

In 2005, he was slated to be their starting shortstop, but broke his hamate bone just before the season and missed six weeks.

He didn't slice straight across the wrist joint, and when he removed the hand, he left the hamate bone behind.

The hamate bone has six surfaces:

Agbayani sustained a fractured hamate bone, a small bone at the base of the hand, in his right hand.

Pagliarulo broke the hook of the hamate bone in his hand during batting practice before Wednesday's game in Seattle.

This is a wide ligament that runs across the hand, from the scaphoid bone to the hamate bone and pisiform.

The Seattle Mariners center fielder broke the hamate bone on an awkward follow swing on Wednesday night.

Agbayani fractured his hamate bone when he was hit by a pitch on April 8 and is eligible to come off the disabled list next Tuesday.

Hamate bone (os hamatum)

All along, the Yankees have said there is nothing wrong with Sheffield's hamate bone, even though he has voiced concerns about it internally for almost three weeks.

The 'volar surface' presents, at its lower and ulnar side, a curved, hook-like process, the Hamulus of hamate bone, directed forward and lateralward.

Sheffield maintained that he had a broken hamate bone, though the Yankees and Sheffield's agent, Rufus Williams, said tests did not show that.

There was some fear around the team that Sheffield may need the hamate bone in his wrist removed, but Cashman said Sheffield's injury was less serious than Matsui's.

The hamate bone (unciform bone) is a bone in the human wrist readily distinguishable by its wedge shape and a hook-like process projecting from its palmar surface.

After surgery to remove part of the hamate bone in his right wrist, Markakis was placed on the disabled list for the first time in his career on June 1.

Perez, who is recovering from having the hamate bone removed from his right hand, will compete with Jay Payton and Gary Matthews Jr. for playing time in center field.

Its insertion is into the pisiform bone and then via ligaments into the hamate bone and 5th metacarpal bone, acting to flex and adduct the wrist joint.

Agbayani is expected to miss two to four weeks after breaking the hamate bone in his left wrist Sunday; he was hit in the hand by a pitch from Montreal's Chris Peters.

Hinske slumped through the early part of the 2003 season before he was finally diagnosed with a broken hamate bone in his right hand, after he had played the beginning of the season with the fracture.

The true ribs are small projections, with small, hooked bones, called uncinate processes, found on the rear of each rib.

He hooked bone to bone with this wire, without ever touching anything, merely making the motions, and he let his hands linger long over the hands and feet of the body which had so many little bones.

Jake took a foot in the mouth and he felt teeth loosen and he grinned when his own lips split with the blow, because now he had his other hand free and it snapped forward, a striking rattler of hooked bone and nails.