7:24 AM - Roy Oswalt (Col) Oswalt has decided to retire from baseball.

12:38 PM - Roy Oswalt (Col) to MLB Trade Rumors, Roy Oswalt intends to pitch in the majors in 2014.

4:44 PM - Roy Oswalt (Col) Oswalt was charged with four runs over just 4 2/3 frames but escaped with a no-decision in the Rockies' 7-6 extra innings win over the Cardinals Thursday.

8:24 PM - Roy Oswalt (Col) Oswalt dropped to 0-6 after allowing two runs in 4 2/3 innings Saturday versus the Diamondbacks.

3:15 PM - Roy Oswalt (Col) Oswalt will take Chad Bettis' spot in the Rockies' rotation.

3:19 PM - Roy Oswalt (Col) activated RHP Roy Oswalt from the 15-day disabled list.

2:16 PM - Roy Oswalt (Col) Oswalt (hamstring) will be activated from the disabled list and appear in Sunday's game in San Diego.

7:17 PM - Roy Oswalt (Col) Oswalt (hamstring) allowed three hits and a walk over 5 2/3 scoreless innings in a rehab start with rookie league Grand Junction Rockies on Tuesday.

5:29 PM - Roy Oswalt (Col) Oswalt (hamstring) will make a rehab start with the rookie league affiliate Grand Junction Rockies on Tuesday.

7:06 PM - Roy Oswalt (Col) Oswalt (hamstring) could make a rehab appearance this weekend.

5:57 AM - Roy Oswalt (Col) Oswalt (hamstring) will throw at least one more simulated game before going out on a rehab assignment.

1:03 PM - Roy Oswalt (Col) Oswalt (hamstring) threw three innings in a simulated game Thursday.

12:13 PM - Roy Oswalt (Col) Oswalt (hamstring) threw 65 pitches in a bullpen session Monday.

4:09 PM - Roy Oswalt (Col) Oswalt (hamstring) will attempt to throw a simulated game sometime in the "near future."

12:46 PM - Roy Oswalt (Col) Oswalt experienced a setback with his hamstring Saturday while throwing a simulated game.

12:40 PM - Roy Oswalt (Col) Oswalt (hamstring) threw a successful 36-pitch bullpen session on Tuesday afternoon.

1:20 PM - Roy Oswalt (Col) Oswalt (hamstring) is scheduled to throw a 40-pitch bullpen session on Tuesday.

6:06 AM - Roy Oswalt (Col) Oswalt (hamstring) threw a 15-pitch bullpen session at about 80 percent on Friday.

5:48 PM - Roy Oswalt (Col) Oswalt (hamstring) hopes to throw a bullpen session this weekend.

3:12 PM - Roy Oswalt (Col) Oswalt (hamstring) ran lightly in the outfield and threw on flat ground Thursday.

1:56 PM - Roy Oswalt (Col) placed RHP Roy Oswalt on the 15-day disabled list with a left hamstring strain.

8:03 AM - Roy Oswalt (Col) Rockies are expected to place Roy Oswalt (hamstring) on the 15-day disabled list Monday.

2:00 PM - Roy Oswalt (Col) Oswalt was removed from Sunday's game with a strained left hamstring.

12:55 PM - Roy Oswalt (Col) Oswalt left Sunday's game with an apparent calf injury

3:41 PM - Roy Oswalt (Col) Oswalt gave up five runs on nine hits and a walk over six innings in Wednesday's loss to the Red Sox.

6:50 PM - Roy Oswalt (Col) Oswalt struck out 11 in his Rockies debut Thursday, but he took a loss after giving up four runs in five innings.

11:12 AM - Roy Oswalt (Col) purchased the contract of RHP Roy Oswalt from Double-A Tulsa.

1:35 PM - Roy Oswalt (Col) Oswalt is officially scheduled to make his Rockies debut Thursday in D.C. against the Nationals.

7:04 AM - Roy Oswalt (Col) Renck of the Denver Post suspects that Roy Oswalt will start Thursday against the Nationals.

6:05 AM - Roy Oswalt (Col) Oswalt allowed no runs on five hits over 8 1/3 innings in his start Friday with Double-A Tulsa.

6:42 AM - Roy Oswalt (Col) Oswalt will likely make one more minor league start before joining the Rockies' rotation.

2:23 PM - Roy Oswalt (Col) Oswalt allowed three runs while striking out five over seven frames in a rehab start for Double-A Tulsa on Tuesday.

6:03 PM - Roy Oswalt (Col) Oswalt struggled in his rehab start for Double-A Tulsa on Friday, surrendering three runs on four hits over his five innings of work.

9:30 AM - Roy Oswalt (Col) Oswalt struck out nine while allowing only a bunt single over five innings in an extended spring training start on Saturday.

2:58 PM - Roy Oswalt (Col) Roy Oswalt's extended spring training start on Saturday goes well, his next outing will come at Double-A Tulsa.

5:08 PM - Roy Oswalt (Col) Oswalt threw three innings in an extended spring training game on Friday, displaying decent velocity in the process.

2:03 PM - Roy Oswalt (Col) Sports' Ken Rosenthal reports that Roy Oswalt will make a pro-rated portion of $2.3 million if the Rockies add him to the major league roster.

6:06 AM - Roy Oswalt (Tex) Oswalt wrote on his Twitter account on Monday that he would "love to come back to Philly."

3:54 PM - Roy Oswalt (Tex) Oswalt's agent, Bob Garber, told Tim Dierkes of MLBTradeRumors.com that his client has been working out on the Mississippi State campus and is "waiting for the right offer from a contender."

10:29 AM - Roy Oswalt (Tex) Rubin of ESPN New York was told by a team insider that there's "nothing going on" between the Mets and Roy Oswalt.

10:22 AM - Roy Oswalt (Tex) New York's Adam Rubin reports that the Mets have shown interest in free agent Roy Oswalt.

11:55 AM - Roy Oswalt (Tex) Boston Globe's Nick Cafardo hears that Roy Oswalt "may still want to pitch, but, again, on his terms and perhaps for only a half a season."