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Oakland A's officially sign Henderson Alvarez; designate Arnold Leon for assignment

The Oakland A's made their signing of free agent Henderson Alvarez official on Monday. To make room for Alvarez on the A's 40-man roster, Oakland designated Arnold Leon for assignment.

The Oakland A's added former All-Star starter Henderson Alvarez on a one-year deal on Monday. Alvarez, who was non-tendered by the Miami Marlins earlier in the off-season, will be under A's team control through 2017. Alvarez had shoulder surgery to shave down a bone spur in his throwing shoulder and missed most of the 2015 season. He has started throwing off the mound and told Venezuelan newscasters that he hopes to be pitching in the A's rotation by the end of April.

Alvarez has a career 3.80 ERA in five big league seasons with the Toronto Blue Jays and the Marlins. Alvarez had his best season in 2014 when he made the All-Star team and posted a 2.65 ERA. He also threw a no-hitter on the final day of the 2013 season.

To make room for Alvarez on the 40-man roster, Oakland designated right-hander Arnold Leon for assignment. Leon has been with the A's organization since 2008, when he signed with the team as an amateur free agent at age 19. The native of Mexico made his major-league debut in 2015 and he posted a 4.39 ERA in 26.2 innings for the A's all in relief. Leon has split his time between the bullpen and the rotation during his professional career. Leon can be claimed by any team. If he clears waivers, he can be outrighted to Triple-A by the A's. If a team claims Leon, the A's can either let him go to that team, try to make a trade or pull him back off waivers. The waiver period can last up to 10 days.


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