MLB to implement code of conduct for fans at ballparks in 2018  —  Effective next season, Major League Baseball intends to implement a universal code of conduct for fans who attend games.  —  The issue, which arose after a May 1 incident in which Baltimore Orioles center fielder Adam Jones …

Daily Dose: Rolling Rodon  —  Follow @Rotoworld_BB and @RyanPBoyer on Twitter.  —  Carlos Rodon drew plenty of hype in offseason fantasy publications, but he missed nearly the first three months of the season with a biceps issue.  He's doing his best of late to make it up for that lengthy absence.

Rangers overcome Birds and Halos, beat Anaheim 5-3 … It was something of a low-key night for the first fifteen half-innings.  Cole Hamels did as Cole Hamels does, going seven innings and allowing two runs on three hits, striking out three and walking two.

Mathis to DL with fractured hand  —  The Diamondbacks placed catcher Jeff Mathis on the 10-day disabled list Tuesday after revealing that Mathis tore the ligament off of the bone in his right hand.  —  The injury occurred during a play in the fourth inning of Monday night's win over the Mets, according to the Diamondbacks.

Four players who could be traded before Aug. 31 postseason roster deadline  —  The major league non-waiver trade deadline has come and gone.  —  But trading season isn't over.  Clubs can still complete trades through waivers.  But the clock is ticking.  Teams have until Aug. 31 to make a deal …

Chris Stratton stymies contending Brewers, Giants win 2-0 … SAN FRANCISCO (AP) — Rookie Chris Stratton pitched six innings to run his scoreless streak to 12 2/3 innings his past two outings, and the  —  San Francisco Giants stymied the contending  —  Milwaukee Brewers with a 2-0 win Monday night.

Mets scratch Michael Conforto with sore right thumb  —  Michael Conforto was scratched from Tuesday's lineup with a sore right thumb.  The outfielder said he had X-Rays Tuesday and felt good enough to play.  —  The Mets, however, felt it better to be cautious and rest him.

Chesapeake's David Wright will DH for Mets Class-A team  —  (WAVY) — David Wright, who has not played in a Major League baseball game in nearly 15 months, will be the designated hitter for the Mets Class-A team in St. Lucie.  —  The Chesapeake native and former Norfolk Tide …

Angels Sign Fernando Salas To Minors Deal  —  The Angels have brought right-hander Fernando Salas back into the fold on a minor league pact, the team's Triple-A affiliate announced this weekend (Twitter link).  The 32-year-old Salas, who was recently released by the Mets after a down season …

Royals catcher Salvador Perez to return for series opener against Colorado  —  The Royals activated catcher Salvador Perez from the 10-day disabled list on Tuesday afternoon, offering a boost to the roster before their series opener against the Colorado Rockies at Kauffman Stadium.  —  The move was expected.

Marlins Designate Javy Guerra  —  The Marlins have designated righty Javy Guerra for assignment, per a club announcement.  His roster spot will go to southpaw Jarlin Garcia, who was activated from the DL.  —  Guerra has had some success in the majors, compiling a 3.10 lifetime ERA over 162 1/3 frames.

Jeff Mathis Suffers Fractured Hand  —  Diamondbacks catcher Jeff Mathis has been diagnosed with a fractured right hand, Nick Piecoro of the Arizona Republic reports on Twitter.  He suffered the injury in last night's game; initially it was believed he had escaped any broken bones.

Astros try to regain momentum against Nationals (Aug 22, 2017)  —  HOUSTON — The Houston Astros already had clinched their series with the American League West cellar-dwelling Oakland Athletics prior to their home loss on Sunday, but that fact did not stem the continuing swell of concern casting …

Playoff-hopeful Royals host NL wild-card pole-sitting Rockies  —  KANSAS CITY, Mo. — The Kansas City Royals and Colorado Rockies, both hoping to reach the postseason, open a three-game series Tuesday night at Kauffman Stadium.  —  The Rockies own the top spot in the National League wild-card race …

Rookies face off for Mariners, Braves (Aug 22, 2017)  —  ATLANTA — Two promising rookies, both making their fifth big-league start of the season, will oppose each other Tuesday when the Atlanta Braves host the Seattle Mariners in the second game of a three-game series.

Phillies To Sign Henderson Alvarez  —  Right-hander Henderson Alvarez is in the process of signing on with the Phillies, according to Jon Heyman of Fan Rag (Twitter links).  It's a minors pact that would pay Alvarez at a $750K annual rate for any time he spends in the big leagues this year.

35 years ago today, the Cubs retired Ernie Banks' No. 14  —  “Mr. Cub” Ernie Banks was a power-hitting shortstop who will always be remembered for his enthusiasm for the game when he said, “What a great day for baseball.  Let's play two.”  He was elected to the Hall of Fame in 1977.  —  Chicago Tribune

West Notes: Lowrie, Ramirez, Wood, Holland  —  It seems increasingly plausible that the Athletics may not only keep second baseman Jed Lowrie for the remainder of the season, Susan Slusser of the San Francisco Chronicle suggests, but also for the 2018 campaign.