Tigers INF Perez suspended 80 games  —  DETROIT (AP) — Detroit Tigers' infielder Neifi Perez was suspended for 80 games Friday after testing positive for a third time for a banned stimulant, a penalty that finishes his season.  —  Perez was suspended for 25 games on July 6 when he tested positive for a second time.

Lester, Sox take on Mariners in Seattle  —  Boston (66-42) at Seattle (59-47), Friday, 10:05 p.m. ET  —  Once again, the scheduling gods have denied Jon Lester a hero's welcome.  —  Or, rather, a hero's welcome in Boston, Lester's adopted home.  There will certainly be no shortage …

Conflict management  —  Yost's rebuke prompts irate defense  —  The altercation in the Milwaukee Brewers' dugout Thursday afternoon at Miller Park wasn't a dispute between manager Ned Yost and catcher Johnny Estrada, as it appeared when captured by a television camera.

Delgado double spurs Mets' big ninth  —  LIKE THIS STORY?  —  CHICAGO (AP) - Carlos Delgado hit a go-ahead double off Ryan Dempster in a four-run ninth inning, and the New York Mets beat the Chicago Cubs 6-2 Friday to extend their winning streak to three.  —  Delgado's double off Dempster …

Wild Card: Low on Rocket Fuel?  —  On May 6, when Roger Clemens announced to a sold-out Yankee Stadium crowd that he had just signed a deal to return to the Yankees, the team was 13-15 (.464), five-and-a-half games behind the Red Sox in the American League East and in eighth place in the Wild Card race.

Braves place SS Renteria on 15-day DL  —  Shortstop Edgar Renteria was put on the disabled list by the Atlanta Braves on Friday, one day after he sprained his right ankle while trying to field a hard grounder.  Renteria, hitting .336 with 11 homers and 53 RBIs, was put on the 15-day DL after he was found to have a high ankle sprain.

Dukes in trouble again after violating court order  —  Elijah Dukes faces the prospect of jail time after being charged Thursday with a single count of violating a domestic violence injunction.  —  Dukes, optioned to the minor leagues in June by the Tampa Bay Devil Rays and placed …

D-backs claim Cirillo, Kim off waivers  —  LOS ANGELES — The D-backs picked up a pair of veterans Friday, bringing former closer Byung Hyun Kim back to Arizona on a waiver claim from Florida and claiming infielder Jeff Cirillo from the Twins.  —  Kim began his professional career …

A-Rod stays at 499 HRs, Yanks rip Royals  —  NEW YORK (AP) — Melky Cabrera put one into the seats — behind the dugout, that is.  Yep, the New York Yankees are doing just fine without any homer help from Alex Rodriguez.  —  Cabrera hit a bizarre two-run double and Robinson Cano homered …

Guerrero plugs into power grid  —  Right fielder hits his first home run since June 23, then hits another one, a three-run shot that looms large in two-run victory.  —  OAKLAND — The first one was a high-arc shot that barely cleared the left-field fence.  The second was a towering blast …

Chamberlain to pitch tomorrow  —  Joba Chamberlain, the Yankees' rising right-handed pitching prospect, said he will make his next appearance at Triple-A Scranton/Wilkes-Barre tomorrow.  —  It will be another step in transforming him from a starter to a reliever.