By Jake Donovan

Former welterweight titlist Luis Collazo scored a surprisingly wide unanimous decision over Alan Sanchez in what appeared to be a relatively closely contested main event Monday evening in San Antonio.

Scores were 97-93, 98-92 and 99-91, the latter two cards almost as shameful as Fox Sports 1 ringside commentator Castle Chalise referring to Sanchez as "Alan Hernandez" for much of fight.

Neither fighter managed to fly out of the gate, making for slow action in the early going. Sanchez, who hadn't fought in nine months prior to Monday, failed to capitalize on his older and faded opponent's lack of activity, instead performing like the B-side fighter he was assigned to play for the evening.

The pace picked up in the middle rounds, though neither fighter ever truly managed to take the lead. Collazo offered enough to convince the judges that he was in control, but Sanchez was never truly out of the fight in a physical sense.

Action remained close all the way to the end, even if the three judges believed otherwise. The far-too-wide scorecards granted Collazo his third straight win as the New York southpaw advances to 33-6-1 (17KO). Sanchez falls to 12-3-1 (6KO), as the 22-year old Californian sees a seven-fight win streak come to an end.

UNDERCARD

Three-time U.S. Olympic boxer Rau'Shee Warren scored five knockdowns in six rounds, but was forced to settle for a unanimous decision over Omar Gonzalez. Scores were 60-49 (twice) and 59-51 in the televised swing bout.

Warren appeared well on his way to an early night's work in sending the local fighter in the canvas twice in the opening round.

In the televised opener, faded former title challenger Raul Martinez managed to momentarily stop the bleeding in his fleeting career with a 4th round stoppage over clubfighter Daniel Quevedo.

The fight was relatively even, with Martinez rocked towards the end of the fourth round. A second straight disastrous homecoming was averted, however, when Quevedo opted to remain on his stool prior to the start of round five. A shoulder injury was cited as the reason for his being unable to continue.

Martinez' record moves to 30-3 (18KO). The win is his first within the U.S. borders since Nov. '10, when he edged out Rodrigo Guerrero to earn a mandatory title shot. His opportunity would come in a rematch with Guerrero for the vacant title, losing via technical decision and watching his career since spiral downward.

A hometown tune-up was offered on the undercard of Saul Alvarez' title unification win over Austin Trout this past April. However, Martinez' night was nowhere nearly as enjoyable, dropping a four-round split decision to a sub .500 fighter and fellow San Antonio native, Omar Gonzalez, who parlayed the upset win into a televised opportunity versus Rau'Shee Warren in a televised swing bout on this very broadcast.

Quevedo dips back below .500, falling to 13-14-3 (8KO). The Southern California journeyman is winless in his last four contests.

Local newcomer Jairo Casteneda remained perfect in his young career with a four-round decision over Warren Stewart (0-2, 0KO). Scores were 40-36 across the board for Casteneda (3-0, 1KO), who has seen all three of his pro fights take place in San Antonio.

NEXT SHOW

'Golden Boy Live' sees its Monday night series return on September 30 in Brooklyn. Local prospect Sadam Ali, a member of the 2008 U.S. Olympic boxing squad who recently signed with Golden Boy, headlines the show, which will take place in a downsized-portion of the Barclays Center, which is hoped to eventually serve as the series' primary location.

Ali takes on Jay Krupp in a scheduled 10-round bout.

Also on the show, Michael Perez takes on Carlos Molina in a terrific matchup of struggling prospects in need of a win to prove their relevance among the always loaded 140 lb. division. 

Jake Donovan is the Managing Editor of Boxingscene.com, as well as the Records Keeper for the Transnational Boxing Ratings Board and a member of Boxing Writers Association of America. Twitter: @JakeNDaBox