Montgomery will operate as the Pirates' opening pitcher in Monday's series opener against the Cardinals, Colin Beazley of the Pittsburgh Post-Gazette reports. Montgomery will serve as Pittsburgh's opener for the second time this season, having tossed a scoreless first inning in the team's 2-0 win over Washington on April 15. The southpaw has recorded seven straight scoreless appearances, allowing four hits and two walks while striking out 11 over 6.2 innings during that stretch. Wilber Dotel is expected to follow Montgomery on the mound, handling the bulk role against St. Louis on Monday.
Mason Montgomery: Everything you need to know
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Status
ACTIVESTATS
Mason Montgomery Game Log 2026
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PreseasonDateOppResultIPKBBHBPCGSHOHRER3/21W 8-30.2010001003/16L 5-11.0200000003/14W 8-61.0100002113/9W 5-31.1100001003/6L 14-101.0210000002/27W 6-11.0210001002/22W 7-40.211000211
Preseason Totals 5.594000722 -
Regular SeasonDateOppResultIPKBBHBPCGSHOHRER4/27L 4-21.0100000004/25W 6-31.0110000004/24W 6-01.0100000004/17W 3-11.0200001004/15W 2-01.0100001004/14L 5-41.0200001004/11W 4-31.0200001004/10W 2-00.2210000004/5W 8-21.0300003114/3W 5-40.2100000004/1W 8-30.2110001223/29W 4-31.0300002003/26L 11-71.123000122
Regular Season Totals 10.72260001155
Mason Montgomery Splits 2026
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SplitsGSIPWLERAKBBHBPCGHRERSVOSAVGHR
Overall 212.1100.0226001155000.2291Away 06.2100.012600544000.2001Home 25.2000.010000611000.2610Day 06.1100.014500855000.2961Night 26.0000.08100300000.1430vs Lefty 00.0000.010300210000.1250vs Righty 00.0000.012300940000.2811March 02.1000.05300322000.3000April 210.0100.017300833000.2111Opponent vs BAL 0 1.2 0 0 0.0 4 0 0 0 3 1 1 0 0 0.375 0 vs CIN 0 0.2 0 0 0.0 1 1 0 0 1 2 2 0 0 0.333 1 vs CHC 0 1.2 1 0 0.0 4 1 0 0 1 0 0 0 0 0.167 0 vs STL 1 1.0 0 0 0.0 1 0 0 0 0 0 0 0 0 0.000 0 vs MIL 0 2.0 0 0 0.0 2 1 0 0 0 0 0 0 0 0.000 0 vs WSH 1 2.0 0 0 0.0 3 0 0 0 2 0 0 0 0 0.250 0 vs NYM 0 2.1 0 0 0.0 5 3 0 0 3 2 2 0 0 0.300 0 vs TB 0 1.0 0 0 0.0 2 0 0 0 1 0 0 0 0 0.250 0 Venue @ Chicago 0 1.2 1 0 0.0 4 1 0 0 1 0 0 0 0 0.167 0 @ New York 0 2.1 0 0 0.0 5 3 0 0 3 2 2 0 0 0.300 0 @ Cincinnati 0 0.2 0 0 0.0 1 1 0 0 1 2 2 0 0 0.333 1 @ Pittsburgh 2 5.2 0 0 0.0 10 0 0 0 6 1 1 0 0 0.261 0 @ Milwaukee 0 2.0 0 0 0.0 2 1 0 0 0 0 0 0 0 0.000 0
Mason Montgomery Player Profile
Career History
Mason Montgomery: Breaking News
Opening Wednesday
Montgomery will serve as Pittsburgh's opening pitcher in Wednesday's game against the Nationals, Danny Demilio of PittsburghBaseballNow.com reports. Montgomery got off to a rough start this season, giving up four earned runs over his first 3.1 innings, but he has since given up one run in 4.1 frames. The Pirates will now trust him with the first three batters of Wednesday's contest before handing the game over to Carmen Mlodzinski, who will work in bulk relief.
Missing bats, rounding into form
Montgomery has earned one win and three holds while posting a 7.11 ERA, 2.05 WHIP and 14:5 K:BB over 6.1 innings in seven appearances for the Pirates this season. The ratios look ugly, but Montgomery has been better lately, allowing just one run with an 8:1 K:BB over his last four appearances. Acquired from Tampa Bay in the Brandon Lowe trade, Montgomery brings the heat from the left side (98.5 mph average fastball) and his breaking pitches all have whiff rates of 42 percent or higher. With manager Don Kelly keeping roles fluid at the back end of the bullpen, the door is open for Montgomery to eventually pick up some saves for Pittsburgh.