Rays beef up bullpen … ST. PETERSBURG - The Devil Rays had to do something about the majors' worst bullpen.  After deciding the relievers they had weren't necessarily going to get better, they went out and got what they hope are better relievers.  —  They acquired four pitchers …

To Keith, as to fans, something feels wrong  —  Just when you think the Mets are shifting into a higher gear for the stretch run, they lose three out of four to the Pirates and Nationals, the dregs of the National League.  August is only a couple of days away now and you wonder if it is ever …

With Wigginton aboard, Astros designate Ensberg for assignment  —  HOUSTON — One day after acquiring Ty Wigginton in a trade with Tampa Bay, the Houston Astros designated struggling third baseman Morgan Ensberg for assignment on Sunday.  —  Houston also recalled left-hander Mark McLemore …

METS, YANKS AFTER GAGNE  —  The Yankees and Mets join the Red Sox as the teams still trying to land Rangers closer Eric Gagne as the trade deadline nears, The Post has learned.  —  However, neither the Yankees nor Mets seem willing to give up a significant prospect for a player who can be a free agent after the season.

Young Signs A Two-Year Extension  —  The Washington Nationals announced the signing of first baseman Dmitri Young, the team's lone all-star, to a $10-million, two-year contract extension on Saturday.  The move reinforces Young's remarkable turnaround, removes a possible trade chip …

Opponents Pay a Painful Price in Walking Bonds  —  Barry Bonds may not have had to overcome the obstacles that Hank Aaron did in trying to become baseball's career home run leader, but Aaron did enjoy one advantage Bonds would dearly appreciate: He rarely lacked for a pitch to hit.

Pirates Notebook: Starting rotation changes in works  —  PHILADELPHIA — The Pirates yesterday made the following changes:  —  Removed pitcher John Van Benschoten from their rotation, sending him to Class AAA Indianapolis for more work.  —  Delayed Tom Gorzelanny, skipping his turn early …

Pitchers' injuries might be more serious  —  Lowe has an irritated hip and Penny left Thursday's game because of an abdominal strain.  —  DENVER — The injuries to Derek Lowe and Brad Penny could be more serious than they have been letting on.  —  Trainer Stan Conte clarified that Lowe …

Canseco says he has 'stuff' on A-Rod in new book  —  When Jose Canseco wrote "Juiced" in 2005, he brought the issue of steroids in Major League Baseball to the forefront.  Now, Canseco has another book due this fall and he promises some juicy info on Alex Rodriguez.

Royals notes: Dotel main focus of trade talk  —  Scouts continue to flood into Kauffman Stadium as Tuesday's non-waiver trading deadline draws closer.  —  Most of the interest remains centered on veteran closer Octavio Dotel, with Seattle believed to be making a renewed push.

If Tex arrives, will Elvis leave building?  —  A few thoughts while wondering how many years it's been since the Braves had a better lineup than 1.  Johnson/Escobar, 2.  Renteria, 3.  Chipper, 4.  Teixeira, 5.  McCann, 6.  Francouer, 7.  Andruw, 8.  Diaz/Harris.

July 29 — REYES OF HOPE?  —  Heard an interesting rumor last night after our final deadline for the 50-cent edition.  The Phillies dispatched major-league scouting director Gordon Lakey to St. Louis to watch Anthony Reyes, the Cardinals' down-on-his-luck right-hander who was making …